A certain drug is used to treat asthma. In a clinical trial of the drug, 25 of 273 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display...


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A certain drug is used to treat asthma. In a clinical trial of the drug, 25 of 273 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<br>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.<br>1-PropZTest<br>prop< 0.11<br>z = - 0.972960738<br>p = 0.1652864079<br>p = 0.0915750916<br>n = 273<br>Right tailed test<br>Left-tailed test<br>b. What is the test statistic?<br>(Round to two decimal places as needed.)<br>c. What is the P-value?<br>P-value =<br>(Round to four decimal places as needed.)<br>d. What is the null hypothesis, and what do you conclude about it?<br>Identify the null hypothesis.<br>O A. Ho: p+0.11<br>о В. Но: р-0.11<br>Ос. Но: р> 0.11<br>O D. Ho:p<0.11<br>Decide whether to reject the null hypothesis. Choose the correct answer below.<br>O A. Reject the null hypothesis because the P-value is less than or equal to the significance level, a.<br>O B. Fail to reject the null hypothesis because the P-value is greater than the significance level, a.<br>C. Reject the null hypothesis because the P-value is greater than the significance level, a.<br>D. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a.<br>e. What is the final conclusion?<br>A. There is not sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches.<br>B. There is not sufficient evidence to support the claim that less than 11% of treated subjects experienced headaches.<br>C. There is sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches.<br>

Extracted text: A certain drug is used to treat asthma. In a clinical trial of the drug, 25 of 273 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="-" 0.972960738="" p="0.1652864079" p="0.0915750916" n="273" right="" tailed="" test="" left-tailed="" test="" b.="" what="" is="" the="" test="" statistic?="" (round="" to="" two="" decimal="" places="" as="" needed.)="" c.="" what="" is="" the="" p-value?="" p-value="(Round" to="" four="" decimal="" places="" as="" needed.)="" d.="" what="" is="" the="" null="" hypothesis,="" and="" what="" do="" you="" conclude="" about="" it?="" identify="" the="" null="" hypothesis.="" o="" a.="" ho:="" p+0.11="" о="" в.="" но:="" р-0.11="" ос.="" но:="" р=""> 0.11 O D. Ho:p<0.11 decide="" whether="" to="" reject="" the="" null="" hypothesis.="" choose="" the="" correct="" answer="" below.="" o="" a.="" reject="" the="" null="" hypothesis="" because="" the="" p-value="" is="" less="" than="" or="" equal="" to="" the="" significance="" level,="" a.="" o="" b.="" fail="" to="" reject="" the="" null="" hypothesis="" because="" the="" p-value="" is="" greater="" than="" the="" significance="" level,="" a.="" c.="" reject="" the="" null="" hypothesis="" because="" the="" p-value="" is="" greater="" than="" the="" significance="" level,="" a.="" d.="" fail="" to="" reject="" the="" null="" hypothesis="" because="" the="" p-value="" is="" less="" than="" or="" equal="" to="" the="" significance="" level,="" a.="" e.="" what="" is="" the="" final="" conclusion?="" a.="" there="" is="" not="" sufficient="" evidence="" to="" warrant="" rejection="" of="" the="" claim="" that="" less="" than="" 11%="" of="" treated="" subjects="" experienced="" headaches.="" b.="" there="" is="" not="" sufficient="" evidence="" to="" support="" the="" claim="" that="" less="" than="" 11%="" of="" treated="" subjects="" experienced="" headaches.="" c.="" there="" is="" sufficient="" evidence="" to="" warrant="" rejection="" of="" the="" claim="" that="" less="" than="" 11%="" of="" treated="" subjects="" experienced="">

Jun 10, 2022
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