The time that customers wait to be served at the delicatessen for a grocery store follows the uniform distribution between 0 and 7 minutes. What is the probability that a randomly selected customer will wait more than 4 minutes at the deli?

Question

Quizplus · Accepted Answer

The uniform distribution is continuous and linear, so the probability of waiting more than 4 minutes out of a total of 7 minutes is calculated as the proportion of the interval from 4 to 7 minutes, which is 3 minutes out of 7 minutes. Therefore, the probability is 3/7 = 0.4286.

The Time That Customers Wait to Be Served at the Delicatessen