Consider the procedure of rolling a pair of dice 6 times and let x be the...
Consider the procedure of rolling a pair of dice 6 times and let x be the random variable consisting of the number of times the sum of the results is 7. The following table describes the probability distribution of x.
|
X |
P(X) |
|
0 |
0.334898 |
|
1 |
¿? |
|
2 |
¿? |
|
3 |
0.053584 |
|
4 |
0.008038 |
|
5 |
0.000643 |
|
6 |
0.000021 |
a) Find the missing probabilities
b) It would be unusual to roll a pair of dice six times and get at least three times the 7
Homework Answers
![bet xi number of times the sum is 7 xn Binomial (n=6, p. Pimf of X is P [x =] = 2 ( 2 ) pr (1 - Pjh-x , n = 0,3,2-06 Oow - G](http://img.homeworklib.com/questions/561175c0-cf66-11ea-acf4-e3f79a7967ab.png?x-oss-process=image/resize,w_560)
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