Question

1)

A researcher is studying the heights of men with a certain medical condition. She collects a sample of 37 such men and finds the mean height of the sample to be x̄ = 64.6 inches. Assume that the standard deviation of heights of men with the condition is the same as that of the general population, σ = 2.8 inches.

a) Find a 99% confidence interval for the true mean height of the population of mean with this condition.

b) Provide the right endpoint of the interval as your answer.

Round your answer to 2 decimal places.

Answer 1

From the given information,

Using confidence interval calculator,

The required 99% confidence interval is,

a)

b). Hence, From the above confidence interval,

Right endpoint=65.786

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you are satisfied by my given answer. Can you please like it☺
  
Thank You!!!