The Random Variable X Represents the Number of Girls in a Family

question 103

Multiple Choice

The random variable x represents the number of girls in a family of three children. Assuming that boys andgirls are equally likely, find the mean and standard deviation for the random variable x.

• A) mean: 1.50; standard deviation: 0.87
• B) mean: 2.25; standard deviation: 0.87
• C) mean: 1.50; standard deviation: 0.76
• D) mean: 2.25; standard deviation: 0.76

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Definitions:

Carl Rogers

An influential psychologist best known for developing the client-centered approach to psychotherapy and his concept of self-actualization.

Client-Centered Therapists

Therapists who practice a humanistic approach focusing on creating a non-judgmental, empathetic, and accepting environment for clients.

Unconditional Positive Regard

A concept in client-centered therapy stating that therapists should offer a constant acceptance and support for their clients regardless of what they say or do.

Directive Approach

A style of therapy or counseling where the therapist provides strong guidance and advice to the client.