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A basketball player has a 50% chance of making each free throw. What is the probability that the player makes at most nine out of eleven free throws?

User Cadizm
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1 Answer

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The number of throws that the player make X follows binomial distribution.

The probability that the player makes x throws out of eleven throws is


P(X=x)=C(x,11)0.5^x(0.5)^(11-x)=C(x,11)0.5^(11)

The probability that the player makes at most nine out of eleven free throws

is


image

Correct choice is (B).

User Bravokiloecho
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