Suppose sample size n=100; sample proportion = .25; the null hypothesis is that the true proportion = 0.20; and the alternative hypothesis is that the true proportion is greater than 0.20.
1. What is the z-statistic?
A) 1.15
B) 27.10
C) 31.25
D) 1.25
2. What is the p-value?
A) 0.22
B) 0.05
C) 0.89
D) 0.11