The Waiting Time (In Minutes) Between Ordering and Receiving Your

question 148

Multiple Choice

The waiting time (in minutes) between ordering and receiving your meal at a certain restaurant is exponentially distributed with a mean of 10 minutes. The restaurant has a policy that your meal is free if you have to wait more than 25 minutes after ordering. What is the probability of receiving a free meal?

• A) 0.917915
• B) 0.329680
• C) 0.082085
• D) 0.670320

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Definitions:

Samples

Small quantities or instances of a product or material used for testing, evaluation, or demonstration purposes to gauge its characteristics or the population’s response.

Controlled Experiments

A research method where variables are manipulated to observe the effect on a dependent variable, often used to establish causal relationships.

Product Samples

Small quantities of a product given away for free to customers for the purpose of trial and evaluation.

Consumer Purchase Tests

Evaluations where consumers are asked to use and assess the value or utility of a product before it is widely marketed.