- 10 The Length Of Human Pregnancies From Conception To Birth Approximates A Normal Distribution With A Mean Of 266 Days 1 (24.39 KiB) Viewed 22 times
10.) The length of human pregnancies from conception to birth approximates a normal distribution with a mean of 266 days
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10.) The length of human pregnancies from conception to birth approximates a normal distribution with a mean of 266 days
10.) The length of human pregnancies from conception to birth approximates a normal distribution with a mean of 266 days and a standard deviation of 16 days a. What proportion of all pregnancies will last between 240 and 270 days? What length of time marks the shortest 70% of all pregnancies? 11.) The average number of acres bumed by forest and range fires in a large New Mexico county is 4.300 acres per year, with a standardize deviation of 750 acres. The distribution of the number of acres burned is approximately normally distributed 4. What is the probability that between 2,500 and 4,200 acres will be burned any given year? b. What number of burnt acres corresponds to the 38 percentile?
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