The lengths of human pregnancies are normally distributed with H S266 days and G

Question

The lengths of human pregnancies are normally distributed with H S266 days and G 6 days. Complete parts (a) and (b) below. (a) The following figure represents the normal curve with H 266 days and o 6 days. The area to the left X-230 is 0. 0122. Provide an interpretation of this area. Choose the correct answer below. O A. The proportion of human pregnancies that last less than 230 days is 0.9878. O B. The proportion of human pregnancies that last more than 230 days is 0.0122. O C. The proportion of human pregnancies that last less than 230 days is 0.0122. O D. The proportion of human pregnancies that last less than 266 days is 0.4878. Provide a second interpretation of the area, Choose the correct answer below. O A. The probability that a randomly selected human pregnancy lasts less than 230 days is 0.4878. O B. The probability that a randomly selected human pregnancy lasts less than 230 days is 0.0122. O C. The probability that a randomly selected human pregnancy lasts more than 230 days is 0.0122. O D. The probability that a randomly selected human pregnancy lasts less than 230 days is 0.9878.

Explanation / Answer

Solution:-

a)

(C) Proportion of human pregnancies that less than 230 days is 0.0122.

(B) The probability that randomly selected human pragnancies that lasts less than 230 days is 0.0122.

b)

A) Proportion of human pregnancies that last between 290 and 305 days is 0.0594.

(A)The probability that randomly selected human pragnancies that last between 290 and 305 days is 0.0594

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