-A Large Software Development Firm Recently Relocated Its Facilities

question 16

Multiple Choice

-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 yields a mean of 16.6 hours and a standard deviation
Of 2.22 hours.The P-value associated with the resulting test statistic is 0.0009.At α =
0) 05, which of the following is the correct conclusion?

• A)We reject the null hypothesis.
• B)We fail to reject the null hypothesis.
• C)The firm shouldn't need to institute an incentive program because the evidence
• D)Both A and C
• E)Both B and C

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Definitions:

Conditional Probability

The probability associated with an event under the condition that a separate event has already transpired.

P(A And B)

The probability that events A and B both occur in a probabilistic experiment.

P(A Or B)

P(A Or B) represents the probability that either event A or event B occurs, including the case where both may occur.

Probability Tree

A diagram that shows the possible outcomes of a series of related choices or events, and their probabilities.