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We can use a Normal distribution to model the length of gestation for pregnant women. The model has a mean of 280 days and a

We can use a Normal distribution to model the length of gestation for pregnant women. The model has a mean of 280 days and a standard deviation of 20 days. If a woman has a z-score of -1.5, how long was her gestation period? O.260 days 280 days 250 days 240 days

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