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In a class of 30 students, 8 live in Riverside County. If 5 students are randomly...

In a class of 30 students, 8 live in Riverside County. If 5 students are randomly selected without replacement, find the probability that exactly 2 of them live in Riverside County

Binomial Probability

Math   Statistics-And-Probability   
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Answer #1

Hello Sir/ Mam

YOUR REQUIRED ANSWER IS 0.2804 = 28.04%

The given problem relate with binomial distribution as there are only 2 types of students, one which live in Riverside County and second who don't.

Hence, let X be the number of students that live in Riverside County.

Hence, clearly, P(X) = 8/30

Now,

we know that:

Hence,

Thanks!

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