A certain drug is used to treat asthma. In a clinical trial of the drug, 16 of 264 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 11% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e) below. a. Is the test two-tailed, left-tailed, or right-tailed? O Left-tailed test O Two-tailed test O Right tailed test 1-PropZTest prop <0.11 z= -2.564981766 p=0.0051590614 p=0.0606060606 n=264

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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part a;  Is the test​ two-tailed, left-tailed, or​ right-tailed?

part b;  What is the test​ statistic?

part c; what is the p value

part d; What is the null​ hypothesis, and what do you conclude about​ it?

part e Decide whether to reject the null hypothesis

part f; What is the final​ conclusion?

 

 
A certain drug is used to treat asthma. In a clinical trial of the drug, 16 of 264 treated subjects experienced headaches (based on data from the manufacturer). The
accompanying calculator display shows results from a test of the claim that less than 11% of treated subjects experienced headaches. Use the normal distribution as an
approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e) below.
a. Is the test two-tailed, left-tailed, or right-tailed?
Left-tailed test
Two-tailed test
Right tailed test
...
1-PropZTest
prop <0.11
z = 2.564981766
p=0.0051590614
A
p= 0.0606060606
n = 264
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 16 of 264 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 11% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e) below. a. Is the test two-tailed, left-tailed, or right-tailed? Left-tailed test Two-tailed test Right tailed test ... 1-PropZTest prop <0.11 z = 2.564981766 p=0.0051590614 A p= 0.0606060606 n = 264
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