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11 February, 11:07

Calculate the probability that a randomly selected egg weighs between 62.5 g and 68.75 g. Show your work.

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  1. 11 February, 12:52
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    Step-by-step explanation:

    Since the overall weight of the eggs produced by a certain breed of hen is Normally distributed with a mean of 65 grams and a standard deviation of 5 grams.

    That gives us:

    (62.5) = (62.5 - 65) / 5 = - 0.50

    (68.75) = (68.75 - 65) / 5 = 0.75

    Probability (0.62.5< = x <=68.75)

    = Probability (-0.5< = z <=0.75)

    = 0.4649
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