Exhibit 9-5

question 69

Multiple Choice

Exhibit 9-5.A university interested in tracking their honors program believes that the proportion of graduates with a GPA of 3.00 or below is less than 0.20.In a sample of 200 graduates,30 students have a GPA of 3.00 or below. Refer to Exhibit 9-5.At a 5% significance level,the decision is to ___________.

• A)Reject H₀;we can conclude that the proportion of graduates with a GPA of 3.00 or below is significantly less than 0.20.
• B)Reject H₀;we cannot conclude that the proportion of graduates with a GPA of 3.00 or below is significantly less than 0.20.
• C)Do not reject H₀;we can conclude that the proportion of graduates with a GPA of 3.00 or below is significantly less than 0.20.
• D)Do not reject H₀;we cannot conclude that the proportion of graduates with a GPA of 3.00 or below is significantly less than 0.20.

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Definitions:

Posterior Probabilities

The probabilities of different possible outcomes or hypotheses being true after considering new evidence, rephrasing the concept in a broader context.

Prior Probabilities

The probabilities assigned to events before any new evidence is considered, often used in Bayesian analysis.

Expected Monetary Value

A calculated average of possible outcomes, where each outcome is weighted by its probability of occurrence and its monetary impact.

Optimal Act

The most efficient or effective action to achieve a desired outcome or goal.