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The distribution of weights for 12 month old baby boys in the US is approximately normal...

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Basic Math

The distribution of weights for 12 month old baby boys in the USis approximately normal with mean 22.5 pounds and a standarddeviation of 2.2 pounds. a. if a 12 month old boy weights 20.3pounds, what weight percentile is he in approximately. b. if a 12month old boy is in the 84th percentile in weight, estimate hisweight. c. Estimate the weight of a 12 month old boy who is in the25th percentile by weight. d. Estimate the weight of a 12 month oldboy who is in the 75 percentile by weight.

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4.2 Ratings (911 Votes)
SolutionGiven thatmean 225 poundsstandard deviation 22 poundsUsing standard normal tablea    See Answer
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