Question: find the sample size needed to estimate the mean age of movie patrons such that it can be said with 90% confidence that the sample

find the sample size needed to estimate the mean age of movie patrons such that it can be said with 90% confidence that the sample mean is with in 1 years of the population mean. Assume that the standard deviation is 19.6 years based on a previous report. A) the required sample size is ___

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!