Question - Suppose the random variable X has the probability distribution given in the table below.
|
x
|
2
|
3
|
5
|
7
|
11
|
13
|
|
p(x)
|
0.15
|
0.25
|
0.15
|
0.10
|
0.30
|
0.05
|
a. Find the mean, variance, and standard deviation of X.
b. Find the probability X is more than one standard deviation from the mean
c. Find P(X ≤ μ + 2σ).