Question: please need help: Next 7 questions (10-16:) are based on the following; The length of pregnancies are normally distributed with a mean of 266 days

please need help:

days and a standard deviation of 14 days. 10 nna'm 11 gnu'm

Next 7 questions (10-16:) are based on the following; The length of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 14 days. 10 nna'm 11 gnu'm 12 gnu'm 13 nna'm A baby is considered premature ifborn at least three weeks early. Which oftbe following expressions is used to determine the fraction ofbabies who are born P[x c 251] P(x a: 249] P[x c 247'] P[x

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