Q 2

Question 2

Flores and Tomany-Korman (2008) examined racial/ethnic disparities in medical and oral health, access to care, and use of services using the National Survey of Children's Health, a telephone survey in 2003-2004 of a national random sample of parents and guardians of 102,353 children 0 to 17 years old. They noted many significant disparities. Uninsured percentages were 6% for whites, 21% for Latinos, 15% for Native Americans, 7% for African Americans, and 4% for Asians or Pacific Islanders. The percentages of those with a usual source of care were 90% for whites, 61% for Native Americans, 68% for Latinos, 77% for African Americans, and 87% for Asians or Pacific Islanders. The number 6% represents:

Select one:

a. Paramenter

b. Population size

c. Statistic

d. Sample size

e. None of the above

Q 3

Question 3

In a group of 40 people, 10 people are healthy. The 30 unhealthy people have either high blood pressure, high cholesterol, or both. Suppose 15 have high blood pressure and 25 have high cholesterol. If a person is randomly selected from this group, what is the probability that they have both high blood pressure and high cholesterol? Drawing a Venn diagram will help!

Select one:

a. 0.38

b. 0.63

c. 0.75

d. 1.00

e. 0.25

Q 5

Question 5

Suppose there are 100 students in the class, and 10 of the students currently have the flu. Over the next week, 5 new students develop the flu. What is the prevalence of flu at the end of the week?

Select one:

a. 5/100

b. 15/100

c. 5/90

d. 15/90

e. Cannot be determined