Multiple Choice
One classic use of the normal distribution is inspired by a letter to Dear Abbey in which a wife
Claimed to have given birth 308 days after a brief visit from her husband, who was serving in the
Navy. The lengths of pregnancies are normally distributed with a mean of 268 days and a standard
Deviation of 15 days. Given this information.
(i. the probability of a pregnancy lasting 300 days or longer is 0.0166.
(ii. The result suggests that the husband is the father of the child.
A) (i) and (ii) are correct statements.
B) (i) is a correct statement but not (ii) .
C) (ii) is a correct statement but not (i) .
D) (i) and (ii) are false statements.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: For the standard normal distribution, what z-score
Q135: i. Disaster Airlines determined that the mean
Q136: A sample of 500 evening students revealed
Q138: A financial advising company has determined that
Q139: The weekly mean income of a group
Q141: A loaf of bread is normally distributed
Q142: Tabulation of a strike vote showed that
Q143: One classic use of the normal distribution
Q144: i. A continuity correction compensates for estimating
Q145: i. Asymptotic, means that the normal curve