Probability that all 20 freshmen receive financial aid

Reference no: EM131426313

Economics and Finance

Approximately 90% of freshmen at Marquette University receive financial aid.21 Suppose 20 Marquette freshmen are randomly selected.

a. Find the probability that at most 15 freshmen receive financial aid.

b. Find the probability that at least 12 freshmen receive financial aid.

c. Find the expected number of freshmen who receive financial aid.

d. Suppose at least 15 freshmen receive financial aid. What is the probability that all 20 freshmen receive financial aid?

Reference no: EM131426313

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