A Company claims that 9 out of 10 doctors(i.e.90%) recomend 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 choosen which resulted in 86 who indicate that they recommend this cough syrup. The test statistic is ?

A Company claims that 9 out of 10 doctors(i.e.90%) recomend 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 choosen which resulted in 86 who indicate that they recommend this cough syrup. The test statistic is ?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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