Dorothy Little Purchased a Mailing List of 2,000 Names and Addresses

question 32

Multiple Choice

Dorothy Little purchased a mailing list of 2,000 names and addresses for her mail order business, but after scanning the list she doubts the authenticity of the list. She randomly selects five names from the list for validation. If 40% of the names on the list are non-authentic, and x is the number on non-authentic names in her sample, the expected (mean) value of x is ___.

• A) 2.50
• B) 2.00
• C) 1.50
• D) 1.25
• E) 1.35

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Definitions:

Males

Refers to the sex that produces small, mobile gametes, such as sperm in humans, typically associated with certain physiological and anatomical features.

Females

Individuals of the sex that typically has XX chromosomes, capable of bearing offspring or producing eggs.

Fertility Drugs

Medications that are prescribed to stimulate ovulation in order to treat infertility in women and men.

Irregular Ovulation

A condition characterized by unpredictable or infrequent release of an egg from the ovary, affecting fertility and menstrual cycles.