One Classic Use of the Normal Distribution Is Inspired by a Letter

question 50

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 308 days or longer is 0.0038.
(ii. The result suggests that the husband is not 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 (i) are false statements.

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Laws and regulations that relate to the negotiation process between employers and a group of employees aimed at reaching agreements that regulate working conditions.

Workers' Compensation Act

Legislation designed to provide financial compensation and medical care for workers who are injured or become ill as a direct result of their job.

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