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

question 15

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.

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Definitions:

Diverse Populations

Groups of people with varying backgrounds, cultures, identities, and experiences, emphasizing the importance of inclusivity in treatment and research.

Paradoxical Theory of Change

A theory suggesting that genuine change occurs not when an individual attempts to be who they are not but rather when they become more fully who they already are.

Person of the Counselor

Refers to how a counselor's personality, beliefs, values, and life experiences influence their professional practice.

Authentic Expression

The genuine and honest sharing of thoughts, feelings, and experiences, often considered crucial for meaningful interpersonal connections and mental health.