Calculate the probability that 2 or fewer will withdraw

Reference no: EM1316654

Probability using Binomial distribution.

A university found that 20 percent of its students withdraw without completing the introductory statistics. Assume that 20 students registered for the course.

a. calculate the probability that 2 or fewer will withdraw

b. calculate the probability that exactly 4 will withdraw

c. calculate the probability that more than 3 will withdraw

d. calculate the expected number of withdrawals

Reference no: EM1316654

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