The lengths of a particular animal's pregnancies are approximately normallydistributed, with mean μ = 277 days and standard deviation o = 8 days.(a) What proportion of pregnancies lasts more than 289 days?(b) What proportion of pregnancies lasts between 275 and 281 days?(c) What is the probability that a randomly selected pregnancy lasts no morethan 267 days?(d) A "very preterm" baby is one whose gestation period is less than 257 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 289 days is(Round to four decimal places as needed.)

Given data : Mean u = 277 Standard deviation o = 8

Answered: The lengths of a particular animal's…

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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The lengths of a particular animal's pregnancies are approximately normally distributed, with mean µ=251 days and standard deviation o=8 days. (a) What proportion of pregnancies lasts more than 255 days? (b) What proportion of pregnancies lasts between 249 and 253 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 241 days? (d) A "very preterm" baby is one whose gestation period is less than 231 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 255 days is 0.3085 (Round to four decimal places as needed.) (b) The proportion of pregnancies that last between 249 and 253 days is 0.1974. (Round to four decimal places as needed.) ACCE (c) The probability that a randomly selected pregnancy lasts no more than 241 days is 0.1056 (Round to four decimal places as needed.) (d) A "very preterm" baby is one whose gestation period is less than days. Are very…
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The lengths of a particular animal's pregnancies are approximately normally distributed, with mean u 278 days and standard deviation o 16 days. (a) What proportion of pregnancies lasts more than 290 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 258 days? (d) A "very preterm" baby is one whose gestation period is less than 254 days. Are very preterm babies unusual? (a) The proportion of pregnancies that last more than 290 days is (Round to four decimal places as needed.) (b) The proportion of pregnancies that last between 274 and 286 days is (Round to four decimal places as needed.) (c) The probability that a randomly selected pregnancy lasts no more than 258 days is (Round to four decimal places as needed.) (d) The probability of a "very preterm" baby is This event unusual because the probability is than 0.05 (Round to four decimal places as needed.) Enter your answer in each of…
The lengths of a particular animal's pregnancies are approximately normally distributed, with mean p = 266 days and standard deviation o = 16 days. (a) What proportion of pregnancies lasts more than 286 days? (b) What proportion of pregnancies lasts between 258 and 274 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 262 days? (d) A "very preterm" baby is one whose gestation period is less than 242 days. Are very preterm babies unusual? (a) The proportion of pregnancies that last more than 286 days is (Round to four decimal places as needed.)

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