Homework: 12 jurors are selected from a population in which 50% of the people ar

Question

Homework: 12 jurors are selected from a population in which 50% of the people are Mexican-Americans. The random variable x is the number of Mexican-Americans on the jury.

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Find the probability of exactly four Mexican-Americans among 12 jurors.

I do not know how to get this answer. PLEASE HELP!

x P(x) 0 0 1 0.003 2 0.016 3 0.054 4 0.121 5 0.193 6 0.226 7 0.193 8 0.121 9 0.054 10 0.016 11 0.003 12

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Find the probability of exactly four Mexican-Americans among 12 jurors.

I do not know how to get this answer. PLEASE HELP!

Explanation / Answer

Question asks the probability of X=4, the answer is given in the table, it is: P(X=4) = 0.121

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