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    Probability : Demand for a Product

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    The demand for a product is estimated to be normally distributed with u=200 and o=40. Let x be the number of units demanded and find the following probabilities.

    a. P(180< x <220)
    b. P(x > 250)
    c. P(x < 100)
    d. P(225 < x < 250)

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    Solution Preview

    As x follows a normal distribution with u=200 and o=40. Let Z=(x-200)/40. Then Z follows the standard normal distribution N(0,1).

    a. ...

    Solution Summary

    Probability and demand for a product are investigated.