Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A national beauty salon chain wants to estimate the number of times per year a woman has her hair done at a beauty salon if

A national beauty salon chain wants to estimate the number of times per year a woman has her hair done at a beauty salon if she uses one at least once a year. The chain's researcher estimate that, of those women who use a beauty salon at least once a year, the standard deviation of number of times of usage is approximately 6. The national chain wants the estimate to be within one time of the actual mean value. How large a sample should the researcher take to obtain a 98% confidence level?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Principles Of Financial Accounting

Authors: John J. Wild, Ken W. Shaw, Barbara Chiappetta

21st Edition

0077525264, 978-0077525262

More Books

Students also viewed these Accounting questions