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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.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 58CR
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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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Calculus For The Life Sciences
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