Retirees a Sample of 50 Retirees Is Drawn at Random

question 56

Essay

Retirees
A sample of 50 retirees is drawn at random from a normal population whose mean age and standard deviation are 75 and 6 years,respectively. ​ ​
-{Retirees Narrative} What is the probability that the mean age is at most 73 years?

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Definitions:

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior.

Contingent Reinforcement

A reinforcement strategy in which a reward or punishment is given only after the desired behavior is demonstrated.

Discrimination Learning

A process in learning theory where an individual learns to respond differently to various stimuli because they have been reinforced for doing so.