Let X Represent the Amount of Time Until the Next

question 90

Multiple Choice

Let X represent the amount of time until the next student will arrive in the library parking lot at the university.If we know that the distribution of arrival time can be modeled using an exponential distribution with a mean of 4 minutes (i.e.the mean number of arrivals is 1/4 per minute) ,find the probability that it will take more than 10 minutes for the next student to arrive at the library parking lot.

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

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