SCENARIO 10-10
a Corporation Randomly Selects 150 Salespeople and Finds $\pi$

question 58

Multiple Choice

SCENARIO 10-10
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 $\pi$ ₁ and $\pi$ ₂ 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 10-10,what is the value of the test statistic to use in evaluating the alternative hypothesis that there is a difference in the two population proportions?

• A)4.335
• B)1.96
• C)1.093
• D)0

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Definitions:

Exports

Goods or services sent from one country to another for sale or trade.

Wheat

A cereal grain that is a staple food in many parts of the world, used to make products like flour, bread, and pasta.

Cattle

Large domesticated bovines that are raised for their meat (beef), milk, or as draft animals.

Opportunity Cost

Losing out on potential advantages from multiple alternatives by committing to one.