SAT, 18.12.2020 20:10 natalie1755
The distribution of number of hours worked by volunteers last year at a large hospital is approximately
normal with mean 80 and standard deviation 7. Volunteers in the top 20 percent of hours worked will
receive a certificate of merit. If a volunteer from last year is selected at random, which of the following is
closest to the probability that the volunteer selected will receive a certificate of merit given that the number
of hours the volunteer worked is less than 90 ?
Answers: 1
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