[Solved] The length of human pregnancies from conception to birth varies according to a distribution that is approximately normal with a mean of 266 days
Question: The length of human pregnancies from conception to birth varies according to a distribution that is approximately normal with a mean of 266 days and a standard deviation of 16 days.
- What percent of the pregnancies last between the mean and 230 days?
- What percent of the pregnancies last less than 300 days?
- What percent will last between 245 and 280 days?
- What percent will last more than 316 days?
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