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(d) The probability of a "very preterm" baby is This event (Round to four decimal places as needed.) unusual because the probability is than 0.05.

(d) The probability of a "very preterm" baby is This event (Round to four decimal places as needed.) unusual because the probability is than 0.05.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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K The lengths of a particular animal's pregnancies are approximately normally distributed, with mean µ = 278 days and standard deviation 6=8 days. (a) What proportion of pregnancies lasts more than 288 days? (b) What proportion of pregnancies lasts between 274 and 280 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 268 days? (d) A "very preterm" baby is one whose gestation period is less than 258 days. Are very preterm babies unusual? (a) The proportion of pregnancies that last more than 288 days is (Round to four decimal places as needed.) (b) The proportion of pregnancies that last between 274 and 280 days is (Round to four decimal places as needed.) (c) The probability that a randomly selected pregnancy lasts no more than 268 days is (Round to four decimal places as needed.) (d) The probability of a "very preterm" baby is This event (Round to four decimal places as needed.) unusual because the probability is than 0.05.
Transcribed Image Text:K The lengths of a particular animal's pregnancies are approximately normally distributed, with mean µ = 278 days and standard deviation 6=8 days. (a) What proportion of pregnancies lasts more than 288 days? (b) What proportion of pregnancies lasts between 274 and 280 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 268 days? (d) A "very preterm" baby is one whose gestation period is less than 258 days. Are very preterm babies unusual? (a) The proportion of pregnancies that last more than 288 days is (Round to four decimal places as needed.) (b) The proportion of pregnancies that last between 274 and 280 days is (Round to four decimal places as needed.) (c) The probability that a randomly selected pregnancy lasts no more than 268 days is (Round to four decimal places as needed.) (d) The probability of a "very preterm" baby is This event (Round to four decimal places as needed.) unusual because the probability is than 0.05.
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