The probability distribution of a random variable X is shown in the following table.X
P(X = x)
0
0.1
1
0.3
2
0.2
3
0.1
4
0.1
5
0.2
(a) Compute P(1 ≤ X ≤ 4).
(b) Compute the mean and standard deviation of X. (Round your answers to two decimal places.)
mean
standard deviation