A Survey Claims That 9 Out of 10 Doctors Recommend

question 99

Multiple Choice

A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches.To
Test this claim, a random sample of 100 doctors results in 83 who indicate that they recommend
Aspirin.Which of the following tests will you perform?

• A) t test for the mean.
• B) Z test for the proportion.
• C) Pooled-variance t test.
• D) Separate-variance t test.

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Definitions:

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Sophisticated Clients

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