State by state survey found that the porportino of adults who are smoker in state A and state B were 21.3 % and 17.4%.

number of respondents from each state was three thousand. At a=.01, can you support the calim?

cLiam is the proportion of adults who are smokers in state A is (different , Lowe, greater, or Same as) smokers in state B?

Ho:

Ha:

find critical value:

identify rejection regions:

find the standardized test stat:

reject of fail to reject Ho:

is there enough or not enough evidence to support or reject claim?