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The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard deviation of 15 day
Posted: Mon Jul 11, 2022 11:23 am
by answerhappygod
- The Lengths Of Pregnancies Of Humans Are Normally Distributed With A Mean Of 268 Days And A Standard Deviation Of 15 Day 1 (323.31 KiB) Viewed 37 times
The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard deviation of 15 days. Fill in the blank to answer each of the following
questions. Round your probabilities accurately to four decimal places. a) Find the probability that a pregnancy lasts more than 260 days. b) If a sample of 32 medical records are randomly selected, what is the probability that the mean length of the pregnancies is more than 260 days? c) Find the length of a pregnancy that is at the 80th percentile. Length = days