8.A report in theDavis(CA)Enterprisewas headlined, "Highly educated people are less likely to develop Alzheimer's disease, a new study suggests." 1.State the null and alternative hypotheses the researchers would have used in this study. Null hypothesis

a)Highly educated people have a lower chance of developing the disease.

b)Highly educated people have a greater chance of developing the disease.

c)Level of education has no relationship with developing Alzheimer's disease. 2.What is the alternative hypothesis?

a)Highly educated people have a lower chance of developing the disease.

b)Highly educated people have a greater chance of developing the disease.

c)Level of education has no relationship with developing Alzheimer's disease.

3.Was this a one-sided test or a two-sided test? Explain.

a)It was a one-sided test. The researchers did not specify a direction in the alternative hypothesis.

b)It was a one-sided test. The researchers specified a direction in the alternative hypothesis.

c)It was a two-sided test. The researchers specified a direction in the alternative hypothesis.

d)It was a two-sided test. The researchers did not specify a direction in the alternative hypothesis.