Homework SourseHomework 12 jurors are selected from a population in which 5
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 | 0 |
| Find the probability of exactly four Mexican-Americans among 12 jurors. I do not know how to get this answer. PLEASE HELP! |
Solution
Question asks the probability of X=4, the answer is given in the table, it is: P(X=4) = 0.121
