The length of human pregnancies is approximately normally distributed with a mean u=266 days and standard deviation o=16 days.

1. Suppose random sample 0f 20 pregnancies is obtained. Describe the sampling distribution of the sample mean length of human pregnancies.

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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answer is 144

step-by-step explanation:

a rotation about point l

step-by-step explanation:

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