In a Recent Survey of 100 Women, the Following Information

Short Answer

In a recent survey of 100 women, the following information was gathered: 54 use shampoo A. 52 use shampoo B. 35 use shampoo C. 24 use shampoos A and B. 18 use shampoos A and C. 14 use shampoos B and C. 12 use all three. How many are using all three shampoos (Region VII)? A = {women who use shampoo A } B = {women who use shampoo B } C = {women who use shampoo C } Use the figure (with Regions I to VIII) to answer the question. __________ women