On Average,a Certain Kind of Kitchen Appliance Requires Repairs Once

question 74

Multiple Choice

On average,a certain kind of kitchen appliance requires repairs once every four years.Assume that the times between repairs are exponentially distributed.Which of the following Excel commands computes the probability that the appliance will work no more than three years without requiring repairs?

• A) 0.3254
• B) 0.6744
• C) 0.5276
• D) 0.4724

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Definitions:

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