Multiple Choice
A survey claims that 9 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. What is the approximate value of the test statistic in this ?
A) -2.33
B) -1.86
C) -1.67
D) -0.14
Correct Answer:

Verified
Correct Answer:
Verified
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