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 8% 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. 1-PropZTest prop <0.08 --0.25408390 p-0.3997153695 p-0.0757575758 n-264 Is the test two-tailed, left-tailed, or right-tailed? 2 Two-tailed test * Left-tailed test
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 8% 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. 1-PropZTest prop <0.08 --0.25408390 p-0.3997153695 p-0.0757575758 n-264 Is the test two-tailed, left-tailed, or right-tailed? 2 Two-tailed test * Left-tailed test
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 certain drug is used to treat asthma. In a clinical trial of the drug, 20 of 264 treated subiects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a
test of the claim that less than 8% of treated subjects experienced headaches. Use the nomal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a)
through (e) below.
1-PropZTest
prop <0.08
z--0.254083903
p-0.3997153695
p-0.0757575758
n-264
a. Is the test two-tailed, left-tailed, or right-tailed?
O Two-tailed test
V Left-tailed test
O Right tailed test
b. What is the test statistic?
(Round to two decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ea9d890-2539-4711-b5ef-4e923528c5d3%2Ff1e437ef-768d-46e2-a433-d75a1bb9fc96%2F9rugp2v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 20 of 264 treated subiects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a
test of the claim that less than 8% of treated subjects experienced headaches. Use the nomal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a)
through (e) below.
1-PropZTest
prop <0.08
z--0.254083903
p-0.3997153695
p-0.0757575758
n-264
a. Is the test two-tailed, left-tailed, or right-tailed?
O Two-tailed test
V Left-tailed test
O Right tailed test
b. What is the test statistic?
(Round to two decimal places as needed.)
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