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Statistics

04/30/22

If a 8 sided fair die that is numbered 1 to 8 is rolled once, find the probability of getting: (a) a number that is less than 2 OR at least 6, (b) a number less than 2 AND at least 6, (c) an even #

please give an explanation rather than just an answer. I'm trying to learn the material as well :)

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Statistics

04/29/22

If n=180 and ˆ p (p-hat) =0.2, find the margin of error at a 99% confidence level

If n=180 and ˆp (p-hat) =0.2, find the margin of error at a 99% confidence level

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Statistics

04/29/22

In a recent poll, 120 people were asked if they liked dogs, and 18% said they did. Find the margin of error of this poll, at the 95% confidence lev

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Statistics

04/29/22

probability and Statistics

Suppose the height in inches of an adult male is normally distributed with μ = 70 inches and σ = 4 inches. What percentage of males have heights within one standard deviation of the mean?

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Statistics

04/29/22

Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would... more

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Statistics Math Probability Maths

04/28/22

BBBASICSTAT8 6.2.501.XP

In the binomial probability distribution, let the number of trials be n = 3, and let the probability of success be p = 0.4012. Use a calculator to compute the following.(a) The probability... more

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Statistics Math Probability Maths

04/28/22

BBBASICSTAT8 6.2.018

The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling.... more

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Statistics Math Probability Maths

04/28/22

BBBASICSTAT8 6.2.019.MI

Sociologists say that 95% of married women claim that their husband's mother is the biggest bone of contention in their marriages (sex and money are lower-rated areas of contention). Suppose... more

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Statistics Algebra College Math

04/28/22

In a normal distribution, if mean is 8 and standard deviation is 1.5, how many percent of data fall

Show the complete solution: In a normal distribution, if mean is 8 and standard deviation is 1.5, how many percent of data falla. Above 8.5?b. Between 7.2 and 8.5?

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Statistics Probability

04/27/22

I need to know if the answer to this is 1, 2, 3, or 4

Mel has a bag containing white and yellow marbles.Mel randomly selects one marble from the bag,records the result, and returns the marble to the bag.The results of the first 65 selections are:A... more

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Statistics Probability

04/27/22

I need to know if the answer to this is 1, 2, 3, or 4

Mel has a bag containing white and yellow marbles.Mel randomly selects one marble from the bag,records the result, and returns the marble to the bag.The results of the first 65 selections are:A... more

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Statistics Math

04/27/22

Five number have a mean of 24, the mean of the three smallest numbers is 19 and the mean of the three largest numbers is 28 What is the median of the five numbers ?

Five number have a mean of 24, the mean of the three smallest numbers is 19 and the mean of the three largest numbers is 28 What is the median of the five numbers ? 20 21 22 23 24 25

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Statistics

04/26/22

Conclusion Confidence Interval

We have created a 95% confidence interval for μ with the result (148, 196). What conclusion will we make if we test H0: μ = 190 vs. Ha:μ ≠ 190 at α = 5%?Reject the alternative hypothesisReject the... more

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Statistics

04/26/22

Level of Significance

A new treatment for a certain disease is claimed to be effective in more than 80 % of cases . To test this claim the treatment was given to 100 randomly selected patients . The treatment was... more

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Statistics

04/26/22

According to a National Health Survey, American men's heights are normally distributed with a mean ...

According to a National Health Survey, American men's heights are normally distributed with a mean given by μ= 69.7 inches and a standard deviation given by σ=2.8 inches. If a man is randomly... more

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Statistics

04/26/22

One out of every three Americans believes that the U.S government should take "primary responsibility"...

One out of every three Americans believes that the U.S government should take "primary responsibility" for eliminating poverty in the United States. If 30 Americans are selected, find the... more

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Statistics

04/26/22

Express the confidence interval 64.4 % < p < 82.4 % in the form of ˆ p ± M E .

Express the confidence interval 64.4%<p<82.4% in the form of ˆp±ME.

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Statistics

04/26/22

If n=560 and ˆ p (p-hat) =0.49, find the margin of error at a 95% confidence level

If n=560 and ˆp (p-hat) =0.49, find the margin of error at a 95% confidence level

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Statistics

04/25/22

the area between z= -0.29 and z= 2.26 is

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Statistics Probability Normal Curve

04/25/22

find the area of z=1.31 and sketch

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Statistics

04/24/22

Statistics Homework

The population mean annual salary for environmental compliance specialist is about $60,000. A Random sample of 36 specialist is drawn from this population. What is the probability that the main... more

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Statistics Science Psychology Physical Science

04/24/22

Please help me write the result of correlation coefficient of the research paper

https://drive.google.com/file/d/1_cs2AStcvpu4ZQaF9KramI4G45Qv3tr2/view?usp=sharing

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Statistics Math Probability Maths

04/24/22

Show your answers by following the 5 steps of testing hypothesis.

Research suggests that most people need at least 7 hours of sleep each night in order to function well the next day. Some research suggests that lack of sleep can adversely affect health, memory,... more

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Statistics Epidemiology

04/24/22

Which of the following is an appropriate confidence interval to indicate significance for an OR=4.5? A. 2.6 to 4.4 B. 1.3 to 6.7 C. 0.5 to 6.7 D. -3.4 to 4.5

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Statistics

04/23/22

Statistics Question

At Saint Algebra College, the 200 freshmen enrolled in introductory biology took a final exam on which their mean score was 72 and their standard deviation was 6. Below are the grades of... more

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If a 8 sided fair die that is numbered 1 to 8 is rolled once, find the probability of getting: (a) a number that is less than 2 OR at least 6, (b) a number less than 2 AND at least 6, (c) an even #

If n=180 and ˆ p (p-hat) =0.2, find the margin of error at a 99% confidence level

In a recent poll, 120 people were asked if they liked dogs, and 18% said they did. Find the margin of error of this poll, at the 95% confidence lev

probability and Statistics

Probability Question

BBBASICSTAT8 6.2.501.XP

BBBASICSTAT8 6.2.018

BBBASICSTAT8 6.2.019.MI

In a normal distribution, if mean is 8 and standard deviation is 1.5, how many percent of data fall

I need to know if the answer to this is 1, 2, 3, or 4

I need to know if the answer to this is 1, 2, 3, or 4

Five number have a mean of 24, the mean of the three smallest numbers is 19 and the mean of the three largest numbers is 28 What is the median of the five numbers ?

Conclusion Confidence Interval

Level of Significance

According to a National Health Survey, American men's heights are normally distributed with a mean ...

One out of every three Americans believes that the U.S government should take "primary responsibility"...

Express the confidence interval 64.4 % < p < 82.4 % in the form of ˆ p ± M E .

If n=560 and ˆ p (p-hat) =0.49, find the margin of error at a 95% confidence level

the area between z= -0.29 and z= 2.26 is

find the area of z=1.31 and sketch

Statistics Homework

Please help me write the result of correlation coefficient of the research paper

Show your answers by following the 5 steps of testing hypothesis.

Which of the following is an appropriate confidence interval to indicate significance for an OR=4.5? A. 2.6 to 4.4 B. 1.3 to 6.7 C. 0.5 to 6.7 D. -3.4 to 4.5

Statistics Question

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