arug 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-Prop2Test prop <0.11 2--1.79278e9560 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 Left-tailed test b. What is the test statistic? (Round to two decimal places as needed)
arug 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-Prop2Test prop <0.11 2--1.79278e9560 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 Left-tailed test b. What is the test statistic? (Round to two decimal places as needed)
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
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-Prop2Test
prop <0.11
2= -1.792789560
p-0.0365032897
p=0.0748031496
n-254
a. Is the test two-tailed, left-tailed, or right-tailed?
Two-tailed test
O Right tailed test
nts
Y Left-tailed test
b. What is the test statistic?
pur
z=
(Round to two decimal places as needed.)
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