A shoe salesman wishes to check the validity of his supplier's claim that the average length of the adult male foot is 9.34 in.He randomly samples 35 adult male customers and finds their average foot length to be 9.01 in.The standard deviation of foot length is known to be 0.75 in.What would be the appropriate alternative hypothesis if the salesman thinks the supplier's claim is too high? A) μ 9.34 B) μ

Question

A shoe salesman wishes to check the validity of his supplier's claim that the average length of the adult male foot is 9.34 in.He randomly samples 35 adult male customers and finds their average foot length to be 9.01 in.The standard deviation of foot length is known to be 0.75 in.What would be the appropriate alternative hypothesis if the salesman thinks the supplier's claim is too high?
A) μ > 9.34
B) μ < 9.01
C) μ ≠ 9.01
D) μ < 9.34

Quizplus · Accepted Answer

The appropriate alternative hypothesis would be that the true population mean foot length is less than the supplier's claim of 9.34 inches. This can be represented as μ < 9.34. Option D represents this correctly.

A Shoe Salesman Wishes to Check the Validity of His