Question

Asked Mar 26, 2020

34 views

.

The average height of young adult males has a normal distribution with standard deviation of 2.5 inches. You want to estimate the mean height of students at your college or university to within one inch with 93% confidence. How many male students must you measure?

Step 1

Solution: It is given that the average height of young adult males has a normal distribution with a standard deviation of 2.5 inches.

It is required to find the number of students so that the estimate of the mean height of the students at the college or university to be with one inch with a 93% confidence level.

Step 2

The formula for finding the sample size is:

...Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: A certain wastewater treatment method is supposed to neutralize the wastewater so that the mean pH i...

A: Click to see the answer

Q: Is the Home Field Advantage Independent of the Sport? Winning team data were collected for teams in ...

A: The claim is to test whether there is any independence between a game played at home or in the visit...

Q: A data set includes 106 body temperatures of healthy adult humans having a mean of 98.9°F and a stan...

A: The 99% confidence interval estimate of the population mean µ is, Thus, the 99% confidence interval...

Q: I need help with the last part of the problem for calculating the confidence intervals. I do not eve...

A: Note: Hey there! Thank you for the question. We have solved Part e for you, as you have asked. As th...

Q: An ecologist hypothesizes that birds with longer wing spans use wider tree branches. The ecologist ...

A: Given data a) Appropriate statistic is correlation Finding the correlation r = -0.7858 (Using Exc...

Q: What kind of t-test could be used to test whether the type of instruction had any effect on performa...

A: The t test is used when the population variance is unknown and sample size is small. The one sample ...

Q: If np 25 and nq 2 5, estimate P(fewer than 2) with n = 13 and p= 0.4 by using the normal distributio...

A: To use this approximation, it is required to check whether the required conditions np ≥ 5 and n(1 – ...

Q: Public Policy Polling recently conducted a survey asking adults across the U.S. about music preferen...

A: Click to see the answer

Q: You set up a series of cameras along the Mexican border. The rate of appearances of Jaguars is 4/18 ...

A: Note: Hey there! Thank you for the question. As you have posted a question with several sub-parts, a...