Question

In which situation may the sample proportion safely be assumed to follow a normal distribution?

Select one:
a. 8 successes in a sample of 72 items.
b. 5 successes in a sample of 20 items.
c. 9 successes in a sample of 200 items.
d. 12 successes in a sample of 500 items.

Answer 1

B because 5 into 4 groups is really common