A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 254 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. 1-PropZTest prop <0.11 z- -1.7927e9560 p=0.0365032897 p=0.0748031496 n=254 a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Right tailed test V Left-tailed test b. What is the test statistic? z= -1.79 (Round to two decimal places as needed) c. What is the P-value?
A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 254 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. 1-PropZTest prop <0.11 z- -1.7927e9560 p=0.0365032897 p=0.0748031496 n=254 a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Right tailed test V Left-tailed test b. What is the test statistic? z= -1.79 (Round to two decimal places as needed) c. What is the P-value?
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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8.2-1
![A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 254 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.
1-PropZTest
prop <0.11
z--1.792789560
p= 0.0365032897
p=0.0748031496
n= 254
a. Is the test two-tailed, left-tailed, or right-tailed?
O Two-tailed test
O Right tailed test
V Left-tailed test
b. What is the test statistic?
uri
z= -1.79
(Round to two decimal places as needed)
c. What is the P-value?
P-value =
(Round to four decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc562c9ad-c061-4ecf-a26d-7f64e3fbfc68%2F551be9e3-e4f6-44ee-9a05-6fd2f067d08a%2Fot25tni_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 254 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.
1-PropZTest
prop <0.11
z--1.792789560
p= 0.0365032897
p=0.0748031496
n= 254
a. Is the test two-tailed, left-tailed, or right-tailed?
O Two-tailed test
O Right tailed test
V Left-tailed test
b. What is the test statistic?
uri
z= -1.79
(Round to two decimal places as needed)
c. What is the P-value?
P-value =
(Round to four decimal places as needed.)
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