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
Formulate a hypothesis test to evaluate the claim. Which one is correct?
A) Ho: µ = 7; Ha: µâ? 7
B) Ho: µâ?¥7; Ha: µ <7
C) Ho: µâ?¤7; Ha: µ >7
D) Can't answer, not enough information
This solution helps with a question regarding the hypothesis for completion of a bride's wedding photos.