Suppose the Time It Takes for Customer Representatives to Diagnose

Multiple Choice

Suppose the time it takes for customer representatives to diagnose and fix computer problems is uniformly distributed from 10 to 120 minutes. What is the probability that it
Takes longer than 90 minutes to diagnose and fix a computer problem?

A) 0.27
B) 0.73
C) 0.82
D) 0.50
E) 0.18