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A certain drug is used to treat asthma. In a clinical trial of the drug, 21 of 281 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 0.05 significance level to complete parts (a) through (e) below. 1-PropZTest prop < 0.08 z = - 0.325439039 p= 0.3724244066 p= 0.0747330961 n = 281 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-tailed test

A certain drug is used to treat asthma. In a clinical trial of the drug, 21 of 281 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 0.05 significance level to complete parts (a) through (e) below. 1-PropZTest prop < 0.08 z = - 0.325439039 p= 0.3724244066 p= 0.0747330961 n = 281 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-tailed test

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3CYU
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A certain drug is used to treat asthma. In a clinical trial of the​ drug,
21
of
281
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
88​%
of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a
0.05
significance level to complete parts​ (a) through​ (e) below.
 
 
​1-PropZTest
 
propless than<0.080.08
 
zequals=negative 0.325439039−0.325439039
 
pequals=0.37242440660.3724244066
 
ModifyingAbove p with caretpequals=0.07473309610.0747330961
 
nequals=281281
a. Is the test​ two-tailed, left-tailed, or​ right-tailed?
 
Right tailed test
 
​Left-tailed test
 
​Two-tailed test
 
Plz Next Steps. 5
A certain drug is used to treat asthma. In a clinical trial of the drug, 21 of 281 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 0.05 significance level to complete parts (a) through (e) below. 1-PropZTest prop < 0.08 z = - 0.325439039 p= 0.3724244066 p= 0.0747330961 n = 281 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-tailed test
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 21 of 281 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 0.05 significance level to complete parts (a) through (e) below. 1-PropZTest prop < 0.08 z = - 0.325439039 p= 0.3724244066 p= 0.0747330961 n = 281 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-tailed test
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