Asked by jim

The probability that patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 5 of the next 7 patients having this operation survive?


Answered by Reiny
C(7,5)(.9)^5(.1)^2
= .124
Answered by Anonymous
The survival rate during a risky operation for patients with no other hope of survival is 74%. What is the probability that exactly four of the next five patients survive this operation? (Give your answer correct to three decimal places.)
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