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.
Correct Answer:

Verified
Correct Answer:
Verified
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