Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 140

Basic Computation:
Distribution Suppose we have a binomial distribution with n = 24 trials and probability of success p = 0.4 on each trial. The sample proportion of successes is
= r/n.
(a) Is it appropriate to approximate the
distribution with a normal distribution Explain.
(b) What are the values of
and