Based on the Nielsen Ratings, the Local CBS Affiliate Claims

question 130

Multiple Choice

Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the area. In a survey of 81 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is the z test statistic?

• A) 1.02
• B) 1.22
• C) -.91
• D) -1.22

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Definitions:

Postnatally

Pertaining to the period immediately following the birth of an offspring.

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

Embryo

The early stage of development in multicellular organisms after fertilization and before becoming a fetus, characterized by rapid cell division and differentiation.

Fetus

A developing mammal or human after the embryonic stage and before birth.