Q1- Deni shuffles the playing cards and a heart comes out of the deck 1 out...
Q1- Deni shuffles the playing cards and a heart comes out of the deck 1 out of 13 draws and X is the random variable "the sum of the numbers that turn up". Find the probability distribution of X.
Q2- Charlie shuffles the playing cards and a queen come out of the deck only once out of 4 times. X is the random variable "the sum of the numbers that turn up". Find the probability distribution of X.
Q3-In a box of 15 chocolates. 3 are dark chocolate the rest are milk chocolate. You will be randomly selecting 4 chocolates from the box. Let X be the number of dark chocolates. Find the probability distribution of X.
Homework Answers
Since Q1 and Q2 are not clear, I am helping you with Q3 ...
| n = 15, p = 3/15 = 0.2, q = 1 - p = 0.8, x = 4 | |||
| Probability distribution of the number of dark chocolates: | |||
| x | P(x) = C(n, x) p^x q^(n - x) | ||
| 0 | 0.0352 | ||
| 1 | 0.1319 | ||
| 2 | 0.2309 | ||
| 3 | 0.2501 | ||
| 4 | 0.1876 | ||
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Q1- Deni shuffles the playing cards and a heart comes out of the
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