Suppose that a test is carried out on a drug which is supposed to reduce blood pressure. Assume that of 225 individuals tested, l40 show definite reduction in blood pressure. Does the sign test...

Suppose that a test is carried out on a drug which is supposed

to reduce blood pressure. Assume that of 225 individuals tested,

l40 show definite reduction in blood pressure. Does the sign

test indicate the effectiveness (p > 0.5) of the drug at significance level 0.05? At significance level 0.01?