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

question 52

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 $\pi$ 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 12-1,what is the critical value when testing whether the population proportions are different if = 0.10?

• A)\(\pm\) 1.645
• B)\(\pm\) 1.96
• C)3.842
• D)2.706

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Definitions:

Paid Leave

A policy allowing employees to take time off from work while still receiving compensation.

Shift Work

A work schedule that involves periods of work followed by periods of rest, allowing businesses to operate outside the standard 9 to 5 working hours.

Stay-at-home Dad

A father who chooses to be the primary caregiver of the children and the house while the partner works outside the home.

Two-income Parents

Households where both parents work to provide financial support, contrasting with traditional single-earner families.