The length of human pregnancies from conception to birth follows a Normal distribution with a mean of 266 days and a standard deviation of 16 days. Choose a pregnant woman at random. Let X = the length of her pregnancy, round to TWO decimal places. a. Find P(X 2 245) b. Find P(260 < X < 270) :: 0.38 : 0.24 :: 0.91 :: 0.08 :: 0.76

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