A Survey Claims That 9 Out of 10 Doctors Recommend

question 184

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:

Withdrawals

Funds taken out from a business by its owner(s) for personal use, which reduce the capital accounts in the company’s equity section.

Revenue

The global earnings a company obtains from its key operational trades, especially in goods or services sales.

Accounts Receivable

Money owed to a business by its clients or customers for goods or services delivered but not yet paid for.

Capital

Assets of monetary value, like cash and merchandise, employed by a business for the creation of goods or services.