Suppose a coin is flipped 200 times. What is a reasonable prediction for the number of times the coin lands on tail?

Answers

Answer 1

We can reasonably predict that the coin will land on tails about 100 times out of the 200 flips.

What is  reasonable prediction?

A prediction is a logical guess as to what you believe will occur. Based on data, a plausible prediction can be made.

Assuming the coin is a fair coin, which means that it has an equal chance of landing on heads or tails on each flip, we can use probability to make a reasonable prediction for the number of times the coin lands on tails.

The probability of the coin landing on tails on any given flip is 1/2, since there are two equally likely outcomes - heads or tails. This probability is the same for every flip, and each flip is independent of the others.

If we flip the coin 200 times, we can use the expected value of the binomial distribution to predict the number of tails. The expected value is given by:

Expected value = n * p

where n is the number of trials (in this case, 200) and p is the probability of success (in this case, the probability of the coin landing on tails, which is 1/2).

Substituting these values, we get:

Expected value = 200 * (1/2) = 100

So, we can reasonably predict that the coin will land on tails about 100 times out of the 200 flips.

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Related Questions

will be giving brainliest :)

will be giving brainliest :)

Answers

scale factor is 4

the blue square is 4 times bigger

Answer:

the scale factor would be 4

Step-by-step explanation:

because the blue square is about 4 times bigger then the other one

Which answer choice would be correct and why?

Which answer choice would be correct and why?

Answers

Answer:

EC, DE, CD

Step-by-step explanation:

∠D=34°    ∠C=47°     ∠E= 180-34-47=99°

∠D < ∠C < ∠E

By the theorem: If one angle in a triangle is larger than another angle in a triangle, then the side opposite the larger angle will be longer than the side opposite the smaller angle.

EC < DE < CD

Monique collects data from a random sample of seventh graders in her school and finds that 12 out of 20 seventh graders barticipate in after-school activities. Write and solve a proportion to estimate the number of seventh graders n who barticipate in after-school activities if 165 seventh graders attend Monique's

Answers

The proportion is 12/20 = n/165 and we can estimate that 99 seventh graders out of the 165 attending Monique's school participate in after-school activities.

To estimate the number of seventh graders who participate in after-school activities, we can set up a proportion using the given data. Let n be the number of seventh graders who participate in after-school activities out of the total number of seventh graders attending Monique's school, which is 165.

The proportion can be written as:

12/20 = n/165

To solve for n, we can cross-multiply and simplify:

12 × 165 = 20n

1980 = 20n

n = 1980/20

n = 99

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PLEASE ANSWER!!

A florist charges $10 for delivery plus an additional $2 per mile from the flower shop. The florist pays the delivery driver $0.50 per mile and $5 for handling each delivery. If x is the number of miles a delivery location is from the flower shop, what expression models the amount of money the florist earns for each delivery?
write in Y=mx+b form.

Answers

Let

Per mile be x

Now

Charge:-

2x+10

Pay:-

0.5x+5

Now earning:-

y=2x+10-0.5x-5y=1.5x+5

Answer:

Y = 1.5x + 5

Step-by-step explanation:

To model the amount of money the florist earns for each delivery, we can break it down into the different components involved.

The florist charges $10 for delivery, which is a fixed fee.

This can be represented by the term "+10".

Additionally, the florist charges an additional $2 per mile from the flower shop.

This can be represented by the term "+2x", where x represents the number of miles.

The florist also pays the delivery driver $0.50 per mile and $5 for handling each delivery.

This can be represented by the term - ( 0.50x + 5 )

Putting all these terms together, the expression that models the amount of money the florist earns for each delivery is:

Y = 10 + 2x - (0.50x + 5)

Simplify.

Y = 10 + 2x - 0.50x - 5

Combine like terms.

Y = 1.5x + 5

Therefore, the expression that models the amount of money the florist earns for each delivery is Y = 1.5x + 5 in slope-intercept form (Y = mx + b form).

Heeelllllllllllp Simplify the expression completely.
√144 +18 √12-5√64

Heeelllllllllllp Simplify the expression completely.144 +18 12-564

Answers

root(12 * 12) + 18*root(4 * 3) - 5*root(8 * 8)
12 + 36*root(3) - 40
-28 + 36*root(3)

Answer: A

a person weights 120 pounds has about 20 pints of blood in their body which equation below represent the relationship between pints of blood

Answers

Answer:

Blood:1

Weight:6

Step-by-step explanation:

for which of the three intervals do you have the most con dence that it captures the population mean ?

Answers

To determine which interval has the most confidence in capturing the population mean, we need to look at the confidence level associated with each interval. A confidence interval is a range of values that we believe contains the true population parameter.

If we have three intervals with different confidence levels, the interval with the highest confidence level would be the one with the most confidence in capturing the population mean. For example, if Interval A has a confidence level of 90%, Interval B has a confidence level of 95%, and Interval C has a confidence level of 99%, then Interval C would have the most confidence in capturing the population mean.

It's important to note that the level of confidence we choose affects the width of the interval. The higher the confidence level, the wider the interval will be. Therefore, we need to balance the desire for a high level of confidence with the need for a narrow interval.

In summary, the interval with the highest confidence level is the one with the most confidence in capturing the population mean. Confidence intervals are a powerful tool in statistics that allows us to estimate population parameters from a sample with a known degree of uncertainty.

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A large mini-grid is expected to have a daily load of 980 kWh. Assume the energy is consumed at a constant rate throughout the day. Let the fuel cost be US$1.25/liter. Three options are being considered to serve the mini-grid: . five equally loaded 10 kW gen sets; . one 50 kW gen set; one 100 kW gen set. Compute the annual cost associated with each design. Refer to Table 5.2 for the fuel consumption for each gen set. Assume the fuel consumption varies linearly between the loading percentages given in

Answers

We have that, based on the generator sets, we are going to obtain the following costs of

Five 10 kW generator sets: $1,431A 50 kW generator set: 1431 USDA 100 kW generator set: US$751

How do we calculate the total amount for each group?

Option 1: five 10 kW generator sets

Annual Cost = Total Fuel Consumption (in liters) x Fuel Cost (US$1.25/liter)

Total fuel consumption (in litres) = (Daily load / Total capacity) x Fuel consumption with nominal load (litres/kWh)

Total fuel consumption (in liters) = (980/50) x 0.35 (liters/kWh) = 6.84 liters/day

Annual cost = 6.84 x 365 x $1.25 = $2,625.

Option 2: A 50 kW generator set

Annual Cost = Total Fuel Consumption (in liters) x Fuel Cost (US$1.25/liter)

Total fuel consumption (in litres) = (Daily load / Total capacity) x Fuel consumption with nominal load (litres/kWh)

Total fuel consumption (in liters) = (980/50) x 0.25 (liters/kWh) = 3.92 liters/day

Annual cost = 3.92 x 365 x $1.25 = $1,431.

Option 3: A 100 kW generator set

Annual Cost = Total Fuel Consumption (in liters) x Fuel Cost (US$1.25/liter)

Total fuel consumption (in litres) = (Daily load / Total capacity) x Fuel consumption with nominal load (litres/kWh)

Total fuel consumption (in liters) = (980/100) x 0.19 (liters/kWh) = 1.86 liters/day

Annual Cost = 1.86 x 365 x $1.25 = $751.

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How do you write 8.82 x 102 in standard form?​

Answers

Answer: Multiply 102 by 8.82 = 899.64x

A jet travels 490 miles in 5 hours. At this rate, how far could the jet fly in 12 hours? What is the rate of speed of the jet?​

Answers

Answer: 1,176 miles

Step-by-step explanation:

490 / 5 = 98 miles

98 mph X 12 hours is 1,176

If a fair die is rolled 7 times, what is the probability, to the nearest thousandth, of getting exactly 3 fours?

Answers

The probability of getting exactly 1 three, to the nearest thousandth is 0.347.

We have,

Binomial distribution is the distribution of a random variable X for which there are only two possibilities. The probability p for the success and the probability of 1-p for the failure, which consist of n trials.

The binomial distribution has the formula,

P(x) = ⁿCₓ pˣ (1-p)ⁿ⁻ˣ

where x : number of times for a specific outcome within n trials

p : probability of success in each trial

n : number of trials

Given that a fair die is rolled 3 times.

Here, n = 3, x = 1

p = probability of getting three for 1 trial = 1/6

1 - p = 1 - 1/6 = 5/6

P(1) = ³C₁ (1/6)¹ (5/6)³⁻¹

    = 0.347

Hence the probability of getting exactly 1 three is 0.347.

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complete question:

If a fair die is rolled 3 times, what is the probability, to the nearest thousandth, of getting exactly 1 three?

Which derived character is placed immediately after that group on the cladogram?

Answers

Answer:

Step-by-step explanation:

One that has the next least in common with the rest.

show that if c is any positively oriented simple closed contour containing the origin then the contour integral of 1/z dz

Answers

The contour integral of 1/z dz is equal to 2πi.

To show that if c is any positively oriented simple closed contour containing the origin then the contour integral of 1/z dz = 2πi, we can use Cauchy's Integral Formula for the function f(z) = 1:

\(∮c f(z) dz = 2πi f(0)\)

Since f(z) = 1, we have:

\(∮c 1 dz = 2πi (1)\)

The contour integral of 1/z dz is equivalent to the left-hand side of the above equation, since f(z) = 1/z. Therefore:

\(∮c 1/z dz = 2πi\)

Thus, if c is any positively oriented simple closed contour containing the origin, the contour integral of 1/z dz is equal to 2πi.

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PLEASE HELP!!! PLEASE HELP RIGHT NOW ASAP!!!!!
Kevin has a pitcher that holds 2.75 quarts of juice. How many 1.4 quart cups can he fill up with one pitcher of juice?

Answers

He can fill about 1.96 cups, or just 1 cup if you have been instructed to provide a whole number as your answer.

Vis inversely proportional to r, when r = 3, V= 10.
Find the constant of proportionality.
For full credit, write a proportion and show work.
[Please help I have been stuck for an hour on this]

Answers

Answer:

Constant of proportionality = 30

Example: r = 6, V = 5

Step-by-step explanation:

Inverse proportion: V*r = constant

Given r=3, V=10, constant = V*r = 30

Example:

r = 6, V = 30/6 = 5

on monday, joey finished his math homework in 32 minutes. on wednesday, he finished his math homework in 28 minutes. what percent represents the difference in time joey spent on his homework from monday to wednesday?

Answers

The percentage that refers the difference in time joey spent on his homework from Monday to Wednesday is 12.5%

The term percentage refers  a relative value indicating hundredth parts of any quantity.

Here we have given that on Monday, joey finished his math homework in 32 minutes. on Wednesday, he finished his math homework in 28 minutes.

And we need to find the percent represents the difference in time joey spent on his homework from Monday to Wednesday.

Here first we need to find the improvement in time from Monday to Wednesday.

And its simply calculated as,

=> 32–28 = 4 minutes

And then we simply need to calculate the value of 4/32 in terms of percentage.

Then the calculation of the term is written as,

=>  (4/32)*100% = 12.5 %

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shape created when a rectangle is rotated about the y-axis

Answers

When a rectangle is rotated about the y-axis, it creates a solid shape known as a cylindrical shell or a hollow cylinder.

When a rectangle is rotated about the y-axis, each point on the rectangle traces a circular path.  

The resulting shape is a solid formed by the collection of these circular paths, creating a cylindrical shell or a hollow cylinder.

The height of the cylinder corresponds to the length of the rectangle, while the circumference of the cylinder corresponds to the width of the rectangle. The rotation about the y-axis gives the shape a cylindrical appearance, with the y-axis running through the center.

This shape is often used in calculus and geometry to calculate volumes and solve related problems. It is important to note that the rotation about the y-axis assumes that the longer side of the rectangle is aligned parallel to the y-axis.

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When a rectangle is rotated about the y-axis, it creates a solid shape known as a cylindrical shell or a hollow cylinder.

When a rectangle is rotated about the y-axis, each point on the rectangle traces a circular path.  

The resulting shape is a solid formed by the collection of these circular paths, creating a cylindrical shell or a hollow cylinder.

The height of the cylinder corresponds to the length of the rectangle, while the circumference of the cylinder corresponds to the width of the rectangle. The rotation about the y-axis gives the shape a cylindrical appearance, with the y-axis running through the center.

This shape is often used in calculus and geometry to calculate volumes and solve related problems. It is important to note that the rotation about the y-axis assumes that the longer side of the rectangle is aligned parallel to the y-axis.

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..help me pretty please :(

..help me pretty please :(

Answers

the answer to this is C!!
I’m pretty sure the answer is C

What does a Perpendicular Bisector Mean?

Answers

Answer

lines passing through the midpoint of each side which are perpendicular to the given side

Step-by-step explanation:

Which one of the points satisfies the following two linear constraints simultaneously?

2x + 5y ≤ 10 10x + 6y≤ 42

a. x= 6, y = 2
b. x=6, y = 4
c. x=2, y = 1
d. x=2, y = 6
e. x = 5, y = 0

Answers

The point e. x = 5, y = 0 satisfies the two linear constraints simultaneously. We have two linear constraints which are given as;

2x + 5y ≤ 10 (Equation 1)

10x + 6y ≤ 42 (Equation 2)

We need to find the point which satisfies both equations. Let us plug in the values one by one to check which one satisfies the two equations simultaneously.

a. x= 6, y = 2

In Equation 1:2x + 5y = 2(6) + 5(2) = 17

In Equation 2:10x + 6y = 10(6) + 6(2) = 66

Thus, this point does not satisfy equations 1 and 2 simultaneously.

b. x=6, y=4

In Equation 1:2x + 5y = 2(6) + 5(4) = 28

In Equation 2:10x + 6y = 10(6) + 6(4) = 72

Thus, this point does not satisfy equations 1 and 2 simultaneously.

c. x=2, y = 1

In Equation 1:2x + 5y = 2(2) + 5(1) = 9

In Equation 2:10x + 6y = 10(2) + 6(1) = 26

Thus, this point does not satisfy equations 1 and 2 simultaneously.

d. x=2, y = 6

In Equation 1:2x + 5y = 2(2) + 5(6) = 32

In Equation 2:10x + 6y = 10(2) + 6(6) = 52

Thus, this point does not satisfy equations 1 and 2 simultaneously.

e. x = 5, y = 0

In Equation 1:2x + 5y = 2(5) + 5(0) = 10

In Equation 2:10x + 6y = 10(5) + 6(0) = 50

Thus, this point satisfies both equations simultaneously.

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The local newspaper has letters to the editor from 60 people. If this number represents 5% of all of
the newspaper's readers, how many readers does the newspaper have?
The newspaper has
readers

Answers

the newspaper has 1200 readers because if 60 people is only 5%

if you divide 95 by 5 it is 19. 19 times 60 equals 1140. 1140 plus 60 equals 1200. 5% of 1200 is 60.

Answer:

i believe the answer is 1200

Step-by-step explanation:

if you set up a proportion

60 over x equal to 5 over 100 and solve

you get the answer 1200.

Which expression is equivalent to 3m + 1 - m

Which expression is equivalent to 3m + 1 - m

Answers

Answer:

I think the answer is A

hope this helps

have a good day :)

Step-by-step explanation:

Answer:

4m

Step-by-step explanation:

Math help please show work I will make brainlist if correct thanks

Math help please show work I will make brainlist if correct thanks

Answers

Step-by-step explanation:

number 1 is 68 degrees Fahrenheit and number 2 is 98.6=37 degrees Celsius and 102 fahrenheit is higher than the normal

Mayte es una estudiante extranjera y recibe de
sus padres $977 por semana. Ella ahorra $200 y
el resto lo distribuye entre los 7 días de la semana,
¿cuánto dinero puede gastar diariamente?​

Answers

The amount of money Mayte can spend on a daily basis is given by $ 111 .

Sellers and purchasers of products and services both accept money as a form of payment. When we purchase goods like food, clothing, a house, groceries, etc., we provide money in exchange. We exchange money for everything we buy. This is a straightforward swap.

In mathematics, division is the process of dividing a number into equal parts and calculating the maximum number of equal parts that can be made. For instance, dividing 15 by 3 results in the division of 15 into 3 groups of 5 each. The division sign, "," or occasionally "/," is used in computer code.

Mayte get a total money of  $977 from her parents so,

total = 977

She saves $200 for herself so now the remaining sum is

977 - 200 = 777

The rest she has to distribute in 7 days so, by using the simple dividation rule we get,

777/7 = 111

Therefore, much money can you spend daily is $111.

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Complete question:

Mayte is a foreign student and receives his parents $977 per week. She saves $200 and the rest is distributed among the 7 days of the week, How much money can you spend daily?​

a cylinder has a height of 12 feet and a radius of 14 feet. what is its volume? use ​ ≈ 3.14 and round to the nearest hundredth

Answers

Answer:

V = 7385.28

Step-by-step explanation:

Formula of the volume of a cylinder: V = pi*r^2*h

Since you are told to replace pi with 3.14, now plug in the numbers that you are given into the formula...

V = (3.14)(14)^2*(12)

= 7385.28

Notes: Remember you always have to divide your radius in half if it gives you a diameter, BUT since in this question it's given, you don't have to do any extra work :)

i know this is a stupid question... but






which is bigger 1/10 1/9 or 1/8?

Answers

Answer:

1/8th is bigger

Step-by-step explanation:

the distribution of repeated measurements of the weight of an object is approximately normal with a mean of 9.7800 gm and a standard deviation of 0.0031 gm. calculate

Answers

The weight that the next measurement has a 10% chance of exceeding is 9.784.

Here we need a weight such that the next weight had a 10% chance of exceeding that weight "w" i.e. we need a w such that

P(X>w)=0.1, Where X denotes the weight of the object. Here X follows Normal(9.78, 0.0031) . Thus,

Z = X-9.78 / 0.0031 follows Normal (0, 1) and

P(X>w) = 0.1

= P((X-9.7)/0.031 > (w-9.78)/0.031)

= 0.1

= 1 - P(Z≤ (w-9.78)/0.031)

= (w-9.78)/0.031

= Φ⁻¹(0.9)

= (w-9.78)/0.031 = 1.28155

= w = 9.784

Hence the weight that the next measurement has a 10% chance of exceeding is 9.784.

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a change in a population that is not related strictly to the size of the population is best described as

Answers

A change in a population that is not related strictly to the size of the population can be described as a change in the demographic makeup of the population. This refers to changes in the characteristics of individuals within the population, such as age, gender, education level, and ethnicity.

For example, if a population experiences an influx of young adults, this would represent a change in the demographic makeup of the population, even if the overall size of the population remains the same.

Other factors that can contribute to a change in the population's makeup include migration patterns, changes in birth rates and mortality rates, and shifts in cultural or social norms. These changes can have significant impacts on a population, affecting everything from economic growth to social dynamics. Understanding demographic changes is therefore critical for policymakers and researchers seeking to address issues such as inequality, public health, and urban planning. By analyzing population trends and anticipating future changes, we can better prepare for the challenges and opportunities that lie ahead.

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chegg exercise 1.42 a flying saucer crashes in a nebraska cornfield. the fbi investigates the wreckage and finds an engineering manual containing an equation in the martian number system: 325 42 411. if this equation is correct, how many fingers would you expect martians have?

Answers

In the Martian number system, the equation 325 42 411 is given. Question asks how many fingers Martians would be expected to have based on this equation. In order to solve this problem, we need to understand how the Martian number system works.

The Martian number system has a base of 5, which means that it uses the digits 0, 1, 2, 3, and 4. The rightmost digit is the units digit, the next digit to the left is the 5s digit, the next digit to the left is the 25s digit, and so on.

In this case, the equation 325 42 411 in the Martian number system means:

(3 x 125) + (2 x 25) + (5 x 5) + (4 x 5) + (2 x 1) + (4 x 0.2) + (1 x 0.04)

= 375 + 50 + 25 + 20 + 0.4 + 0.8 + 0.04

= 471.24

Therefore, based on this equation in the Martian number system, we would expect Martians to have 4 fingers, since the decimal part of the equation is 0.24, which is closest to 0.2.

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Find the ratio of the areas of two circles with radii 4 and 12

Answers

Answer:

1:9

Step-by-step explanation:

~Refer to the attachment for the solution.

Find the ratio of the areas of two circles with radii 4 and 12
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