The lengths of a particular animal's pregnancies are approximately normally distributed, with mean u=280 days and standard deviation a= 12 days (a) What proportion of pregnancies lasts more than 295 days? (b) What proportion of pregnancies lasts between 274 and 286 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 271 days? (d) A "very preterm" baby is one whose gestation period is less than 262 days. Are very preterm babies unusual? Click the icon to view a table of areas under the normal curve. (a) The proportion of pregnancies that last more than 295 days is 10.57 (Round to four decimal places as needed.) 2 C
The lengths of a particular animal's pregnancies are approximately normally distributed, with mean u=280 days and standard deviation a= 12 days (a) What proportion of pregnancies lasts more than 295 days? (b) What proportion of pregnancies lasts between 274 and 286 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 271 days? (d) A "very preterm" baby is one whose gestation period is less than 262 days. Are very preterm babies unusual? Click the icon to view a table of areas under the normal curve. (a) The proportion of pregnancies that last more than 295 days is 10.57 (Round to four decimal places as needed.) 2 C
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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