A study by the National Endowment of the Arts revealed that 19.7% of adults age 18-24 played

Question:

A study by the National Endowment of the Arts revealed that 19.7% of adults age 18-24 played a musical instrument in the past 12 months. Suppose that is still the current rate. What is the normal approximation to the probability, that in a random sample of 100 adults age 18-24, the number who played a musical instrument in the last 12 months will be
(a) 16 or fewer.
(b) more than 26.
(c) between 15 and 29 inclusive.