Hispanic origin II The county supervisor in Exercise 5 is going to perform a hypothesis test to see if she has evidence that the proportion of people in her county that are of Hispanic or Latino...

Hispanic origin II The county supervisor in Exercise 5 is going to perform a hypothesis test to see if she has evidence that the proportion of people in her county that are of Hispanic or Latino origin is different from that for the nation. Should her alternative hypothesis be one-sided or two-sided? Explain

5. Hispanic origin According to the 2010 Census, 16% of the people in the United States are of Hispanic or Latino origin. One county supervisor believes her county has a different proportion of Hispanic people than the nation as a whole. She looks at their most recent survey data, which was a random sample of 437 county residents, and found that 44 of those surveyed are of Hispanic origin.

a) State the hypotheses.

b) Name the model and check appropriate conditions for a hypothesis test.

 c) Draw and label a sketch, and then calculate the test statistic and P-value.

d) State your conclusion.