1)The area of rejection, on a bell shaped curve, defines the location of all those values that are

A.so small or so large that the probability of their occurrence under a false null hypothesis is rather remote

B.so small or so large that the probability of their occurrence under a true null hypothesis is to be expected

C.within the selected confidence interval for the test

D.so small or so large that the probability of their occurrence under a true null hypothesis is rather slim

2)The normally distributed AAA battery life is stated to be 350 days when used in a clock radio. The Big Charge Battery Company has recently modified the AAA batteries so as to extent their life. The owner of the company wanted to know if the improved batteries really did last significantly...