The Weights of the Fish in a Certain Lake Are

question 17

Multiple Choice

The weights of the fish in a certain lake are normally distributed with a mean of 20 lb and a standard deviation of 6. If 9 fish are randomly selected, what is the likelihood that the mean weight will be between 17.6 and 21.6 lb?

• A) 0.9370
• B) 0.6800
• C) 0.6730
• D) 0.0968

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Definitions:

Positive Punishment

Adding an unpleasant stimulus to decrease a behavior, part of operant conditioning in psychology.

Operant Responding

A form of learning where behavior is modified by its consequences, such as rewards or punishments.

Operant Responding

A process in behavior analysis, emphasizing the influence of consequences on subsequent behavior.

Negative Reinforcement

A behavioral psychology concept where a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.