The following table provides a probability distribution for the random variable x.

a. Compute E(x) , the expected value of x.

b. Compute σ2, the variance of x.

c. Compute σ, the standard deviation of x.

The following table provides a probability distribution for the random variable x.

a. Compute E(x) , the expected value of x.

b. Compute σ2, the variance of x.

c. Compute σ, the standard deviation of x.