The time of a call to a technical support line is uniformly distributed between 2 and 10 minutes. What are the mean and variance of this distribution?
a. 6 minutes and 5.3333 minutes
b. 6 minutes and 2.3094 (minutes)²
c. 8 minutes and 2.3094 minutes
d. 6 minutes and 5.3333 (minutes)²
