A certain drug is used to treat asthma. In a clinical trial of the drug, 24 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 11% 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 <0.11 z--1.3174 48179 p-0.0938442202 p-0.0854092527 n-281 a. is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Right tailed test Left-tailed test b. What is the test statistic? (Round to two decimal places as needed.)

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what is z score and p value?
A certain drug is used to treat asthma. In a clinical trial of the drug, 24 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 11% 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 <0.11
z--1.317448179
p-0.0938442202
p-0.0854092527
n-281
a. is the test two-tailed, left-tailed, or right-tailed?
Two-tailed test
Right tailed test
* Left-tailed test
b. What is the test statistic?
(Round to two decimal places as needed.)
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 24 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 11% 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 <0.11 z--1.317448179 p-0.0938442202 p-0.0854092527 n-281 a. is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Right tailed test * Left-tailed test b. What is the test statistic? (Round to two decimal places as needed.)
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