The average number of speeding tickets written per hour by State Troopers patrolling Highway 61 between Oroville and Winnemucca is 3.6. Assume that all the Poisson conditions are met. Let x represent values for the random variable “number of tickets written in an hour.” Determine, in the most efficient way, the
a. Expected value of x.
b. Variance of x.
c. Standard deviation of x.