A Machine Is Set to Pump Cleanser into a Process

Multiple Choice

A machine is set to pump cleanser into a process at the rate of 8 gallons per minute. Upon inspection, it is learned that the machine actually pumps cleanser at a rate described by the
Uniform distribution over the interval 7.5 to 9.5 gallons per minute. Find the variance of the
Distribution.

A) 5.33
B) 0.08
C) 0.33
D) 24.08