A researcher is interested in determining the average number of years employees of a company stay with the company. If past information shows a standard deviation of 11 months, what sample size should be taken so that, at 95% confidence, the margin of error will be 5 months or less. Assume that the data is normally distributed.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1CYU
icon
Related questions
Question
Round your answer to 4 decimal places.
A researcher is interested in determining the
average number of years employees of a company
stay with the company. If past information shows a
standard deviation of 11 months, what sample size
should be taken so that, at 95% confidence, the
margin of error will be 5 months or less. Assume
that the data is normally distributed.
Transcribed Image Text:A researcher is interested in determining the average number of years employees of a company stay with the company. If past information shows a standard deviation of 11 months, what sample size should be taken so that, at 95% confidence, the margin of error will be 5 months or less. Assume that the data is normally distributed.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill