A Test Of $H _ { 0 } : \mu = 63$

question 41

Multiple Choice

A test of $H _ { 0 } : \mu = 63$ versus $H _ { 1 } : \mu < 63$ is performed using a significance level of $\alpha$ =0.05. The value of the test statistic is z=-1.81. Is $H _ { 0 }$ rejected?

• A) Yes
• B) No
• C) It cannot be determined.

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Definitions:

Clean Room

A controlled environment with a low level of pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors, used in scientific research and manufacturing.

Primary Reinforcers

Stimuli that satisfy basic biological needs and are inherently rewarding.

Food

Substances consumed to provide nutritional support for an organism, typically consisting of essential nutrients.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.