A Student Takes a True-False Test That Has 15 Questions

question 27

Multiple Choice

A student takes a true-false test that has 15 questions and guesses randomly at each answer. Let X be the number of questions answered correctly. Find P(Fewer than 4)

• A)0.9408
• B)0.0176
• C)0.0592
• D)0.0037

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Definitions:

Amenorrhea

The absence of menstruation in a woman of reproductive age.

Metabolic Disturbances

Disorders that affect the body's metabolism, including how it processes and utilizes nutrients, which can impact energy production and overall health.

Anorexia Nervosa

A psychological and potentially life-threatening eating disorder characterized by extremely low body weight, an intense fear of gaining weight, and a distorted perception of body weight and shape.

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by compensatory behaviors, such as purging, to prevent weight gain.