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A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of 100 doctors results in 84 who indicate that they recommend brand Z. The tes statistic in this problem is approximately (round to the nearest hundredth): ... OA. -2.00 OB. -1.66 O C. -1.50 OD. 2.00

A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of 100 doctors results in 84 who indicate that they recommend brand Z. The tes statistic in this problem is approximately (round to the nearest hundredth): ... OA. -2.00 OB. -1.66 O C. -1.50 OD. 2.00

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of 100 doctors results in 84 who indicate that they recommend brand Z. The test statistic in this problem is approximately (round to the nearest hundredth): (...) O A. - 2.00 OB. -1.66 C. 1.50 D. 2.00
Transcribed Image Text:A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of 100 doctors results in 84 who indicate that they recommend brand Z. The test statistic in this problem is approximately (round to the nearest hundredth): (...) O A. - 2.00 OB. -1.66 C. 1.50 D. 2.00
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