The management of ABC Industries is considering a new method of assembling its golf cart. The present method requires 42.3 minutes, on average, to assemble a cart. The mean assembly time for a random...

The management of ABC Industries is considering a new method of assembling its golf cart. The present method requires 42.3 minutes, on average, to assemble a cart. The mean assembly time for a random sample of 24 carts, using the new method, was 40.6 minutes, and the standard deviation of the sample was 2.7 minutes. Can we conclude that the assembly time using the new method is faster?

A) State H0 and Ha

B) Test the hypothesis using the P-Value approach at a significance level of 1%, and express your decision.