1. To compare a sample proportion to a population proportion

a. n must be less than 30

b. p must be less than 5

c. np and n(1 p) must both be at least 5

d. p must be at least 5

2.Find the p-value for the following hypothesis test

z=x/ /n=46.844/8.3/55=-2.50

3.In the paired t-test, we assume in the null hypothesis that the distribution of the differences between the paired observations has a mean equal to 0. true or false