** Question 1: Consider the following discrete probability distribution. The mean of this random variable is...
** Question 1: Consider the following discrete probability distribution. The mean of this random variable is 3.75.
|
x |
0 |
1 |
2 |
5 |
|
P(X=x) |
0.10 |
0.70 |
a) Find the missing values for P(X=1) and P(X=2) Hint: you will need to use two equations here, and substitution. This should be familiar from high school mathematics. The two equations you will need are for the mean of a discrete random variable and that the sum of all the probabilities equals 1.
- please show all work. I am stuck
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