The lengths of human pregnancies are normally distributed with mu = 266 days and

Question

The lengths of human pregnancies are normally distributed with mu = 266 days and sigma = 16 days. Complete parts (a) and (b) below. (a) The following figure represents the normal curve with mu = 266 days and sigma = 16 days. The area to the right of X = 300 is 0.0168. Provide an interpretation of this area. Choose the correct answer below: A. The proportion of human pregnancies that last more than 300 days is 0.0168. B. The proportion of human pregnancies that last more than 300 days is 0.9832 C. The proportion of human pregnancies that last more than 266 days is 0.4832. D. The proportion of human pregnancies that last more than 300 days is 0.0168. Provide a second interpretation of the area Choose the correct answer below. A The probability that a randomly selected human pregnancy lasts more than 300 days is 0.4632. B. The probability that a randomly selected human pregnancy lasts more than 300 days is 0.9832 C. The probability that a randomly selected human pregnanc

Explanation / Answer

Result:

a).

A. The proportion of human pregnancies that last more than 300 days is 0.0168.

Second interpretation.

D. The probability that randomly selected human pregnancy that last more than 300 days is 0.0168.

b).

B. . The proportion of human pregnancies that last between 230 and 290 days is 0.9210.

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