Mathematics, 05.12.2019 17:31 jetblackcap
At a local community college, 55% of students who enter the college as freshmen go on to graduate. four freshmen are randomly selected.
a. what is the probability that none of them graduates from the local college? (round your intermediate calculations and final answer to 4 decimal places.)
b. what is the probability that at most three will graduate from the local college? (round your intermediate calculations and final answer to 4 decimal places.)
c. what is the expected number that will graduate? (round your final answer to the nearest whole number.)
Answers: 3
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