in testing a set of hypotheses if you insist on strong evidence against the null hypothesis you should choose a to be

a. very large

b. very small

c. smaller than the p value

d. smaller than the z statistic

while testing a set of hypotheses, if the consequences of rejecting the null hypothesis are crucial, what should you do?

a. insist that the p value be larger than the level of significance

b. construct a 95% confidence interval rather than test the hypotheses

c. use a very small level of significance

d. use a larger level of significance