Instruction 10-9 A Corporation Randomly Selects 150 Salespeople and Finds That 66

question 45

Multiple Choice

Instruction 10-9
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 10-9,what is/are the critical value(s) when testing whether population proportions are different if α = 0.10?

• A)-1.96
• B)± 1.645
• C)± 2.08
• D)± 1.96

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Definitions:

Compounded Monthly

Compounded monthly refers to the process where interest is calculated and added to the principal sum every month, effectively increasing the total amount at a quicker pace.

Amortization Period

The total time period over which a loan or mortgage is scheduled to be paid off, often through regular payments.

Compounded Quarterly

Interest on an investment or loan is calculated and added to the principal once every three months.

Monthly Payment

A specified amount paid every month, typically as part of a loan repayment plan.