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HW8#10 A certain drug is used to treat asthma. In a clinical trial of the​ drug,17 of...

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Statistics

HW8#10

A certain drug is used to treat asthma. In a clinical trial ofthe​ drug,17 of 288 treated subjects experienced headaches​ (basedon data from the​ manufacturer). The accompanying calculatordisplay shows results from a test of the claim that less than 10​%of treated subjects experienced headaches. Use the normaldistribution as an approximation to the binomial distribution andassume a 0.05 significance level to complete parts​ (a) through​(e) below.

A. Is the test two-tailed, Left-tailed, or right tailed?

B. What is the test statistic?

   z=

   Round two decimal places as needed.

C. What is the P-value?

Round four decimal places as needed.

D. What is the null hypothesis, and what do you conclude aboutit?

E. What is the final conclusion?

   There is or is not sufficient evidence?

Answer & Explanation Solved by verified expert
3.7 Ratings (385 Votes)
Solution A Left tailed test State the hypotheses The first step is to state the null hypothesis and an alternative hypothesis Null hypothesis P 010 Alternative hypothesis P 010 Note that    See Answer
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