An Economist Is Interested in Studying the Incomes of Consumers

question 132

Multiple Choice

An economist is interested in studying the incomes of consumers in a country.The population standard deviation is known to be $1,000.A random sample of 50 individuals resulted in a mean income of $15,000.What is the width of the 90% confidence interval?

• A)$232.60
• B)$364.30
• C)$465.23
• D)$728.60

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Definitions:

Cholesterol

A type of fat found in the blood, necessary for healthy cell function but harmful at high levels.

Male Sexual Structures

The anatomical parts of the male reproductive system, including the penis, testicles, prostate, and others, involved in sexual function.

Orgasm

The peak of sexual pleasure, characterized by intense sensations and, often, involuntary muscle contractions in the genital area.

Ejaculation

The process by which semen is expelled from the body during sexual climax.