SCENARIO 12-1 a Corporation Randomly Selects 150 Salespeople and Finds

question 74

Multiple Choice

SCENARIO 12-1 A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self- improvement course would like such a course.The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course.The groups are assumed to be independent random samples.Let represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively.
-Referring to Scenario 12-1, what is the critical value when performing a chi-square test on whether the population proportions are different if = 0.05?

• A) 1.645
• B) 1.96
• C)3.841
• D)2.706

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Definitions:

Double Image

A visual effect in which the same object is perceived twice, either due to optical reasons or conditions affecting the viewer's perception.

Autokinetic Effect

The autokinetic effect is a visual phenomenon in which a stationary, small point of light in an otherwise dark or featureless environment appears to move.

Stationary Light

A fixed light source that does not move, used in various contexts from photography to safety signaling.

Synthesizing Process

The act of combining ideas, information, or objects into a coherent whole.