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Standard Deviation Assignment | Assignment Help Services

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September 9th, 2019

Suppose that weights of 1-year-old boys are normal with mean 26 pounds, standard deviation 3 pounds. Use a normal table or software to determine the following. (Round your answers to four decimal places.)(a) Consider the weight of a boy whose z-score is−1.82.Find the proportion of 1-year-old boys who weigh less than this amount.

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(b) Consider a 1-year-old boy whose weight is 22 pounds. Find the proportion of 1-year-old boys who weigh less than this amount.(c) What proportion of 1-year-old boys weigh more than 22 pounds?(d) Consider a 1-year-old boy whose weight is 28 pounds. Find the proportion of 1-year-old boys who weigh less than this amount.

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