A Survey Claims That 9 Out of 10 Doctors Recommend

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