Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The manager of a cleaning supply store wants to estimate the actual amount of bleach contained in 1-gallon bottles purchased from a nationally known brand

The manager of a cleaning supply store wants to estimate the actual amount of bleach contained in 1-gallon bottles purchased from a nationally known brand manufacturer. The manufacturer's specifications state that the standard deviation of the amount of bleach is equal to 0.02 gallon. A random sample of 64 bottles is selected. The sample mean amount of bleach per 1-gallon bottle is 0.992 gallon.

a.Construct a 99% confidence interval estimate of the population mean amount of bleach included in a 1-gallon bottle.

b.On the basis of your results, do you think that the manager has a right to complain to the manufacturer? Why?

c.Must you assume that the population amount of bleach per bottle is normally distributed here? Explain.

d.Construct a 95% confidence interval estimate. How does this change your answer to (b)?

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_2

Step: 3

blur-text-image_3

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

College Algebra

Authors: Michael Sullivan

10th Edition

0321999428, 9780321999429

More Books

Students also viewed these Mathematics questions

Question

Behaviour: What am I doing?

Answered: 1 week ago