The number of AIDS cases in a particular country in 2010, by region and race, is as shown in the contingency table to the right. Complete parts (a) through (f) below. a. How many cells does this contingency table have? (Simplify your answer.) b. Fill in the missing entries. Region Race White Black Other Total 5,155 Northeast 1,085 2,544 Midwest 1,113 2,764 7,840 1,718 757 450 Region 1,741 4,216 5,981 25,399 Northeast 1,085 2,544 1,113 Midwest South 2,7647,840 West 1,718 757 1,741 4,216 5,981 25,399 Total South West Total (Simplify your answers.) c. What was the total number of AIDS cases in the country in 2010? Race White Black Other Total 5,155 450

If a spinner, labeled 1-4, is spun 16 times, what is the probablitiy of spinning fewer than 3 fours. Explain.

85 cities were surveyed to determine sports teams. 25 had soccer, 19 had rugby, 18 had basketball, 11 had soccer and rugby, 12 had soccer and basketball, 11 had rugby and basketball. 6 had all three. Let A = soccer, B = rugby, C = basketball. How many had only a basketball team? 1 How many had soccer and rugby, but not basketball? 5 How many had soccer or rugby? 33 How many had soccer or rugby, but not basketball? 16 How many had exactly two teams? U A I IV II VII VI III с B VIII

A deli offers 14 different toppings. How many different groups of 3 can be made?