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Needs to I. A statement of all null and alternative hypothesis II. A statement o

ID: 3158943 • Letter: N

Question

Needs to

I. A statement of all null and alternative hypothesis
II. A statement of test statistics
III. A statement of the rejection rule
IIII. The conclusion of the test.
1. A drug company is conducting a clinical trial to determine if a heart attack reduction drug has different effects on Men and Women. They conduct a 20 year study of male and female users of this drug. The samples are randomly selected. In this sample 1=did not have a heart attack and 2= had a heart attack. At the 10% level does it appear that the drug is more effective for men than women?

Explanation / Answer

1. Ho : Gender does not have effect HA rate

Ha: Gender does have effect on HA rate

II. test statistic = Z = (sample mean - pop. mean)/sigma .

iii, iv) If this Z is greater than -0.05 and less than 0.05 then we can't reject Null hypothesis. If Z is beyond these limits then we can reject Null hypothesis and go for the Alternate hypothesis,

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