A total of 28 percent of american males smoke cigarettes, 7 percent smoke cigars, and 5 percent smoke both cigars and cigarettes. (a) what percentage of males smokes neither cigars nor cigarettes? (b) what percentage smokes cigars but not cigarettes?

Question

Andres Cannon

Mathematics

14 December, 03:57

A total of 28 percent of american males smoke cigarettes, 7 percent smoke cigars, and 5 percent smoke both cigars and cigarettes. (a) what percentage of males smokes neither cigars nor cigarettes? (b) what percentage smokes cigars but not cigarettes?

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Answers (2)

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Bailey Francis · Answer 1

(a) By drawing a Venn diagram, it can be seen that the percentage of males that smoke neither cigarettes nor cigars is:

100 - (23 + 5 + 2) = 70%.

(b) Also from the Venn diagram, we can see that the percentage that smoke cigars but not cigarettes = 2%.

Gwendolyn · Answer 2

A - 60%

b - 9.5%

for a you add them then subtract from 100