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Suppose the length of human pregnancies are normally distributed with u = 266 days and standard...

Suppose the length of human pregnancies are normally distributed with u = 266 days and standard deviation = 16 days. The area to the right of x = 285 is 0.01175. Provide two interpretations for this area.
A. The proportion of human pregnancies that last more than .....days is .....
B. The proportion of human pregnancies that last less than ..... days is .....
Provide a semiconductor interpretation

A. The probability that a randomly selected human pregnancy last more than ...... days is .....
B. The probability that. Randomly selected human pregnancy last less than ... days is ..,,,
Math   Statistics-And-Probability   
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Answer #1

The area to the right of x = 285 is 0.01175. This is wrong. The right area is  0.1175152.

A. The proportion of human pregnancies that last more than 285...days is 0.1175152...

B. The proportion of human pregnancies that last less than 285... days is . 0.8824848...

A. The probability that a randomly selected human pregnancy last more than .285. days is 0.1175152...

B. The probability that. Randomly selected human pregnancy last less than 285. days is 0.8824848...

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