An insurance salesman sold life insurance to 5 men.
The probability of still being alive 30 years later is .35.
What is the probability that 3 of the 5 are still alive 30 years later?
The probability of still being alive 30 years later is .35.
What is the probability that 3 of the 5 are still alive 30 years later?
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Jazz -
Sum a Binomial probability from x=3 to x=5: (5Cx)(.35)^x (.65)^(5-x)
= 0.2352
Hope that helps
Sum a Binomial probability from x=3 to x=5: (5Cx)(.35)^x (.65)^(5-x)
= 0.2352
Hope that helps