The weight of a 9.5-inch by 6-inch paperback book published by Leaden Publications, Inc., is 16.2 oz

Discussion in 'Calculator Requests' started by math_celebrity, Mar 25, 2017.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    The weight of a 9.5-inch by 6-inch paperback book published by Leaden Publications, Inc., is 16.2 oz. The standard deviation is 2.9 oz. What is the probability that the average weight of a sample of 33 such books is less than 15.89 oz?

    Using our z-score calculator, we get:
    0.271
     
    math_celebrity, Mar 25, 2017
    #1

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