Question 1

The following table summarizes the percent of U.S. who have diabetes and the accuracy of the current medical tests used to detect the disease.

	Test positive	Test negative	Total
Have diabetes	36.1%	1.9%	38%
Do not have diabetes	5.2%	56.8%	62%

What percent of those who donothave diabetes test negative for the disease?

10.9% 56.8% 91.6% 96.8%

Question 2

A group of seniors decide to spend their spring break away from home, attending at least one major event. The following table summarizes their preferences.

	Attend a concert	Attend a festival
Stay in state	214	186
Travel out of state	391	59

What percent want to attend a festival, given that they want to stay in state?

31.72% 41.33% 46.5% 75.92%

Question 3

Ebola is a serious and highly contagious virus. The Department of Health keeps records of all individuals who have symptoms of and get tested for Ebola each year. Use the partially completed relative frequency table below to find the percent of individuals who didnothave Ebola, given that they tested positive for the virus.

	Tests positive	Tests negative	Total
Has Ebola	4.8%		5.2%
Does not have Ebola
Total	7.5%		100%

92.1% 36% 7.5% 2.7%

Question 4(Multiple Choice Worth 2 points)

The following segmented bar graph shows the percentage of basketball players and football players who participate in track and field or swimming in their off season. Which of the following tables could have been used to create the segmented bar graphs?

	Track and Field	Swimming
Basketball	65	100
Football	70	100

	Track and Field	Swimming
Basketball	260	140
Football	350	150

	Track and Field	Swimming
Basketball	195	140
Football	106	60

	Track and Field	Swimming
Basketball	143	220
Football	140	200

Question 5(Multiple Choice Worth 2 points)

The medical department at a local government agency has compiled test results for sick individuals who have been tested for the flu. They have found that not all people who test positive for the flu actually have the flu, and some people who test negative for the flu actually have the flu. The following tree diagram shows the conditional relative frequencies. What percent of sick individuals test negative for the flu?

23% 27% 75% 25%