You have determined that waiting times at a restaurant are uniformly distributed over the interval 5 to 12 minutes. The first random number your simulation returns is 0.2154. What is the waiting time that this random number generates?
A) 5 minutes
B) 6.5 minutes
C) 7.5 minutes
D) 10 minutes
E) 11 minutes

Question

Quizplus · Accepted Answer

To find the waiting time, use the formula for converting a random number to a value in a uniform distribution: Waiting Time = Minimum Time + (Maximum Time - Minimum Time) * Random Number. Here, it's 5 + (12 - 5) * 0.2154 = 5 + 7 * 0.2154 = 6.5078, which rounds to 6.5 minutes.

You Have Determined That Waiting Times at a Restaurant Are