A company claims that 9 out of 10 doctors(i.e.90%) recommend its brand of cough syrup to their patients. To test this claim against the alternative that the actual proportion is less than 90%, ?a random sample of 100 doctors was chosen which resulted in 86 who indicate that they recommend this cough syrup. The test statistic in this problem is approximate?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A company claims that 9 out of 10 doctors(i.e.90%) recommend its brand of cough syrup to their patients. To test this claim against the alternative that the actual proportion is less than 90%, ?a random sample of 100 doctors was chosen which resulted in 86 who indicate that they recommend this cough syrup. The test statistic in this problem is approximate?

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