This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. The manager of a fast-food restaurant determines that the average time that her customers wait for service is 3.5 minutes. Exercise (a) Find the probability that a customer has to wait more than 5 minutes.

23.97% probability that a customer has to wait more than 5 minutes.

Step-by-step explanation:

The exponential probability distribution, with mean m, is described by the following equation:

In which is the decay parameter.

The probability that x is lower or equal to a is given by:

Which has the following solution:

The manager of a fast-food restaurant determines that the average time that her customers wait for service is 3.5 minutes.

This means that . So

Find the probability that a customer has to wait more than 5 minutes.

Either the customer has to wait for 5 minutes or less, or he has to wait for more than 5 minutes. The sum of the probabilities of these events is decimal 1. So

We want . So

In which

23.97% probability that a customer has to wait more than 5 minutes.

answer: i think it's a

step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right