A Survey Claims That 9 Out of 10 Doctors Recommend

question 107

Multiple Choice

A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches.To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.90,a random sample of 100 doctors results in 83 who indicate that they recommend aspirin.The value of the test statistic in this problem is approximately equal to:

• A)- 4.12
• B)- 2.33
• C)- 1.86
• D)- 0.07

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Definitions:

Insurance Expense

The cost incurred from purchasing insurance policies, recognized over the period to which the insurance coverage relates.

Income Statement

A financial statement that reports a company's financial performance over a specific accounting period, detailing revenues, expenses, and net income.

Incurred

Refers to a cost that has been realized or a liability that has been acquired during a specific period.

Statement of Cash Flows

An overview of a company's cash transactions, detailing money coming in from operational efforts and investment activities, and money going out to cover the costs associated with these activities during a specific period.