Are there more children diagnosed with Autism Spectrum Disorder (ASD) in states that have larger urban areas over states that are mostly rural?In the state of Pennsylvania, a fairly urban state, there are 245 eight-year-olds diagnosed with ASD out of 18,440 eight-year-olds evaluated.In the state of Utah, a fairly rural state, there are 45 eight-year-olds diagnosed with ASD out of 2,123 eight-year-olds evaluated ("Autism and developmental," 2008).Is there enough evidence to show that the proportion of children diagnosed with ASD in Pennsylvania is more than the proportion in Utah?Test at the 1% level. Answer questions 9.1.5a through 9.1.5f based on your work for this question.

The correct null and alternate hypothesis setup for problem 9.1.5 is which of the following?

The pooled sample proportion, , is most nearly which of the following?

The test statistic, , is most nearly which of the following

The p-value which, in this case, is the area to the right of the z-test statistic you just found, is most nearly which of the following?

Which should we do base on the work of 9.1.5