The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 308 days or longer. b. If the length of pregnancy is in the lowest 3 %, 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. LOADING... Click to view page 2 of the table. LOADING... a. The probability that a pregnancy will last 308 days or longer is nothing
Let X denotes the length of a randomly selected pregnancy.
X ~ Normal(266, 152)
a) The probability of a pregnancy lasting 308 days or longer
b) To find x such that
Get Answers For Free
Most questions answered within 1 hours.