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25 February, 23:24

The probability that Lexie is on time for a given class is 98 percent. If there are 89 classes during the semester, what is the best estimate of the number of times out of 89 that Lexie is on time to class?

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  1. 25 February, 23:30
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    87

    Step-by-step explanation:

    The expected value is the product of the probability and the outcome.

    E = 0.98 (89)

    E = 87.22

    Rounded to the nearest integer, the expected number of classes is 87.
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