TABLE 7-4 The Lifetimes of a Certain Brand of Light Bulbs Are

question 97

Short Answer

TABLE 7-4
The lifetimes of a certain brand of light bulbs are known to be normally distributed with a mean of 1,600 hours and a standard deviation of 400 hours. A random sample of 64 of these light bulbs is taken.
-Referring to Table 7-4, what is the probability that the sample mean lifetime is more than 1,550 hours?

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Definitions:

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, aiming to influence the occurrence of behavior through these consequences.

Higher-order Conditioning

A form of learning in which a stimulus is paired with a previously conditioned stimulus, leading to a new learned response without directly being paired with the unconditioned stimulus.

Negative Reinforcement

A technique used to increase desired behaviors by removing an unpleasant stimulus when the desired behavior is performed.

Positive Reinforcement

A behavior modification technique that involves rewarding a desired behavior, thereby increasing the likelihood that the behavior will be repeated.