The lengths of pregnancies are normally distributed with a mean of 270 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309 days or longer. b. If the length of pregnancy is in the lowest 2%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click to view page 1 of the table. Click to view page 2 of the table. a. The probability that a pregnancy will last 309 days or longer is. (Round to four decimal places as needed.) b. Babies who are born on or before days are considered premature. (Round the nearest integer as needed.)

We have given that. Mean = 270 , Standard deviation = 15 , We need , Part (a): p(x greater than…

Answered: The lengths of pregnancies are normally distributed with a mean of 270 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting…

MATLAB: An Introduction with Applications

6th Edition

ISBN: 9781119256830

Author: Amos Gilat

Publisher: John Wiley & Sons Inc

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Question

The lengths of pregnancies are normally distributed with a mean of 270 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309 days or longer. b. If the length of pregnancy is in the lowest 2%, then the baby is
premature. Find the length that separates premature babies from those who are not premature.
Click to view page 1 of the table. Click to view page 2 of the table.
.....
a. The probability that a pregnancy will last 309 days or longer is
(Round to four decimal places as needed.)
b. Babies who are born on or before
days are considered premature.
(Round to the nearest integer as needed.)

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