1. For a binomial experiment with r successes out of n trials, what value do we use as a point estimate for the probability of success p on a single trial?
p = ______


2. In order to use a normal distribution to compute confidence intervals for p what conditions on np and nq need to be satisfied?

A. np < 5; nq< 5
B. np < 5; nq> 5
C. np > 5; nq< 5
D. np > 5; nq> 5