The Population of All Sample Proportions Has a Normal Distribution

question 27

Multiple Choice

The population of all sample proportions has a normal distribution if the sample size (n) is sufficiently large. The rule of thumb for ensuring that n is sufficiently large is

• A) np ≥ 5.
• B) n(1 − p) ≥ 5.
• C) np ≤ 5.
• D) n(1 − p) ≤ 5 and np ≤ 5.
• E) np ≥ 5 and n(1 − p) ≥ 5.

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Definitions:

Negative Reinforcement

A process in which a response or behavior is strengthened by stopping, removing or avoiding a negative outcome or aversive stimulus.

Stimulus

Any event or object in the environment that evokes a response from an organism.

Behavior

The actions or reactions of an organism or system, usually in response to external stimuli, observable and measurable by others.

Frequency

In the context of waves, it refers to the number of cycles of a wave that pass a certain point in a given period of time, typically measured in Hertz (Hz).