1
answer
229
views
98ei
Problem

For access to Textbook Solutions, a Class+ or Grade+ subscription is required.

Textbook Expert
Textbook ExpertVerified Tutor
12 Nov 2021

Given information

A sample of    small bags of the same brand of candies was selected. Assume that the population distribution of bag weights is normal. The weight of each bag was then recorded. The mean weight was two ounces with a standard deviation of    ounces. The population standard deviation is known to be   ounce.

Step-by-step explanation

Step 1.

The error bound E is calculated as:

 

For a confidence interval, the two tailed critical z value is . The population standard deviation is estimated to be equal to the sample standard deviation and the sample size is  

Therefore, it follows

 

 

 

Unlock all Textbook Solutions

Already have an account? Log in
Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Solutions

Chapter
Section
Start filling in the gaps now
Log in