Problem

Question 1, 8.2.5 HW Score: $0 \%, 0$ of 8 Part 2 of 6 points Points: 0 of 1 A certain drug is used to treat asthma. In a clinical trial of the drug, 29 of 261 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 $9 \%$ 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. \begin{tabular}{|l|} \hline propZTest \\ prop $<0.09$ \\ $z=1.191761618$ \\ $p=0.8833226352$ \\ $\hat{p}=0.1111111111$ \\ $n=261$ \end{tabular} Left-tailed test Right tailed test b. What is the test statistic? $z=$ (Round to two decimal places as needed.) example Get more help Clear all

Solution

Step 1 :The test statistic is given in the table as \(z=1.191761618\). We need to round this to two decimal places.

Step 2 :Final Answer: The test statistic, rounded to two decimal places, is \(\boxed{1.19}\).

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