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Hint 1 Hint 2 Hint 3 Hint 4

According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22. A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree or higher education level.

Hint 1 Hint 2

What is the null hypothesis in this case?

The proportion of smokers among U.S. adults 25 or older who have a bachelor's degree or higher is less than .22.
The proportion of smokers among U.S. adults 25 or older who have a bachelor's degree or higher is .22.
The proportion of smokers among U.S. adults 25 or older who have a bachelor's degree or higher is not .22.
There is no relationship between education level and smoking habits.

Hint 3 Hint 4

What is the alternative hypothesis in this case?

The proportion of smokers among U.S. adults 25 or older who have a bachelor's degree or higher is less than .22.
The proportion of smokers among U.S. adults 25 or older who have a bachelor's degree or higher is .22.
The proportion of smokers among U.S. adults 25 or older who have a bachelor's degree or higher is not .22.
There is a relationship between level of education level and smoking habits.

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