7.21 A particular professor never dismisses class early. Let x denote the amount of time past the...

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7.21 A particular professor never dismisses class early. Let x denote the amount of time past the hour (minutes)

that elapses before the professor dismisses class. Suppose that x has a uniform distribution on the interval from 0 to 10 minutes. The density curve is shown in the following figure:

1 10 0 10 Time

(minutes)

Density x

a. What is the probability that at most 5 minutes elapse before dismissal? (Hint: See Example 7.8.)

b. What is the probability that between 3 and 5 minutes elapse before dismissal?

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Introduction To Statistics And Data Analysis

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5th Edition

Authors: Roxy Peck, Chris Olsen, Jay L Devore

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Question Posted: Sep 14, 2024 12:00 PM

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