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

question 137

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 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 (ii) are false statements.

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Definitions:

Nondisclosure

The obligation to keep certain information confidential and not share it without authorization.

Rescinding Contract

The process of unilaterally terminating a contract by one of the parties involved, effectively rendering the agreement null and void from the outset.

Mistakes

Errors or misunderstandings that can occur in various contexts, such as in contracts, decisions, or actions.

Untrue Statements

Assertions or claims that are not accurate or correct, often made with the intent to deceive.