certain drug is used to treat asthma. In a clinical trial of the drug, 18 of 282 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. What is the final conclusion? A. There is sufficient
A certain drug is used to treat asthma. In a clinical trial of the drug, 18 of 282 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
A. |
There is sufficient evidence support the claim that less than 11% of treated subjects experienced headaches. |
|
B. |
There is not sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches. |
|
C. |
There is not sufficient evidence support the claim that less than 11% of treated subjects experienced headaches. |
|
D. |
There is sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches |
From output
Test statistic z -2.478
prop < 0.11
n = 282
P-value p 0.0066
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