Suppose a wedding photographer claims he can finish a bride's wedding photos in less than 7 days. You are given the following data from a sample.
Sample size: 40
Population standard deviation: 1
Sample mean: 7.2© BrainMass Inc. brainmass.com June 4, 2020, 12:10 am ad1c9bdddf
We need to test
Given xbar=7.2, sigma=1, n=40. Using z-statistic, we can ...
This solution provides assistance with the hypothesis testing problem.