Mathematics, 14.06.2021 22:10 brainewashed11123

The length of human pregnancies from conception to birth varies according to an approximately normal distribution with a mean of 266 days and a standard deviation of 16 days. Use the 68-95-99.7 Rule to answer the following questions. (a) What percentage of pregnancies last between 250 and 282 days?

(b) What percentage of pregnancies last fewer than 250 days?

(c) What percentage of pregnancies last between 266 and 298 days?

(d) What percentage of pregnancies last more than 298 days?

(e) What percentage of pregnancies last between 234 and 282 days?

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The length of human pregnancies from conception to birth varies according to an approximately normal...