Instruction 10-12 A Corporation Randomly Selects 150 Salespeople and Finds That 66

question 4

Multiple Choice

Instruction 10-12
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 π₁ and π₂ 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 Instruction 10-12,what is/are the critical value(s) when testing whether the current population proportion is higher than before if α = 0.05?

• A) + 1.96
• B) ± 1.645
• C) + 1.645
• D) ± 1.96

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Definitions:

Borrow Money

The act of obtaining funds from another party (such as a bank or individual) under the agreement to repay the principal amount along with interest or other charges.

Ordinary Course Of Business

Activities and operations that are considered normal, routine, and in the usual scope of a company's business practices.

Limited Liability Partnership

A partnership arrangement that limits the liability of its partners for the debts of the partnership, such that no partner is responsible for the misconduct or negligence of another.

Negligently Provides

The act of failing to provide a standard level of care or service, often resulting in harm or loss.