Consider the Following to Answer the Question(s) Below

question 9

Multiple Choice

Consider the following to answer the question(s) below:
A large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They believe that the firm's professionals volunteer an average of more than 15 hours per month. If this is not the case, they will institute an incentive program to increase community involvement. A random sample of 24 professionals reported the following number of hours:
The sample has a mean of 16.6 hours and a standard deviation of 2.22 hours.
-The correct null and alternative hypotheses are

• A) H0 : µ = 15 and HA : µ < 15.
• B) H0 : µ = 15 and HA : µ > 15.
• C) H0 : µ = 15 and HA : µ ≠ 15.
• D) H0 : µ ≠ 15 and HA : µ = 15.
• E) H0 : µ < 15 and HA : µ > 15.

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Definitions:

Positive Punishment

The addition of a stimulus to decrease the probability that a behavior will recur.

Primary Reinforcement

A term in behavioral psychology that refers to something that is naturally rewarding or satisfying, like food or water, that reinforces a behavior.

Variable Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, used in operant conditioning.

Fixed Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses.