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

question 154

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/are the critical value(s) when performing a Z test on whether population proportions are different if $\alpha$ = 0.05?

• A)\(\pm\) 1.645
• B)\(\pm\) 1.96
• C)-1.96
• D)\(\pm\) 2.08

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Definitions:

Households

The consuming units in an economy.

Factors Of Production

The inputs used in the creation of goods or services; traditionally includes land, labor, capital, and entrepreneurship.

Capital

Funds or financial assets leveraged by companies to fund their operations and grow their businesses.

Profit

The earnings obtained when the income generated from business operations is higher than the expenses, costs, and taxes required for these operations.