A Population Has a Mean of 180 and a Standard

question 57

Multiple Choice

A population has a mean of 180 and a standard deviation of 24. A sample of 64 observations will be taken. The probability that the mean from that sample will be between 183 and 186 is _____.

• A) 0.1359
• B) 0.8185
• C) 0.3413
• D) 0.4772

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Definitions:

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment.

Extinction

The gradual weakening and disappearance of a conditioned response tendency because the response is no longer reinforced.

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually comes to trigger a conditioned response.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without prior conditioning.