Question: Calculations for Testing Claims in exercise 16 assume that you plan to use a significance level of a=0.05 to test the claim that p1=p2. Use the given sample sizes and numbers of successes to find (a) the pooled estimate p, (b) the Z test statistic, (c) the critical `z values, and (d) the p-value.

Males Females

N1= 500 n2= 1220

X1= 332 x2= 420