Question Details

(Solved) Smoker?


Refer to Problem 12.175 in the required textbook and its accompanying data file. Please read this question carefully as content of the test question may be different than in your textbook. 

Several decades ago a large proportion of Americans smoked cigarettes. However, in recent years many adults have quit smoking. To measure the extent of current smoking a random sample of American adults was asked to report whether they smoked (1 = Yes; 2 = No).  

Perform an appropriate statistical test to see if the proportion of Americans who continue to smoke is greater than 15%.  Use a significance level of 10%.

What is your decision?

a.Reject the null; there is sufficient evidence the proportion of Americans who continue to smoke is greater than 15%

b.Do Not Reject the null; there is not sufficient evidence the proportion of Americans who continue to smoke is greater than 15%

c.Reject the null; there is not sufficient evidence the proportion of Americans who continue to smoke is less than 15%

d. Do Not Reject the null; there is not sufficient evidence the proportion of Americans who continue to smoke is less than 15%

Smoker?
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