In: Statistics and Probability
At a local high school 80% of students who enter as freshmen go on to graduate. 20 freshmen are randomly selected.
a.
What is the probability that at most 12 students will go on to graduate? Round your answer to 4 decimal places.
b.
What is the probability that at at least 15 students will go on to graduate? Round your answer to 4 decimal places.
c.
What is the probability that at least 12 and no more than 16 students will go on to graduate? Round your answer to 4 decimal places.