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LetX= the time (in minutes) that a postal clerk spends with her customers. This time is known to ...

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LetX= the time (in minutes) that a postal clerk spends with her customers. This time is known to ...

LetX = the time (in minutes) that a postal clerk spends with her customers. This time is known to have an exponential distribution with an average of 4 minutes. What is the parameterλfor this random variable?

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0.5

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0.25

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Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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