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In: Statistics and Probability

suppose that the weight of male babies less than 2 months old is normally distributed with...

suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds what proportion of babies weigh less than 10,74

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Expert Solution

Random variable X: weight of male babies less than 2 months which is normally distributed with

                               

                                = P(z < -0.28)       (Round to 2 decimal)

                                = 0.3897           (From statistical table of negative z values)

Proportion of babies weigh less than 10.74 pounds is 0.3897

orchestra answered 2 years ago
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