Ans - p(a)=number of person in 18-22 age/total number of person=183/183 140 99=>.43364 p(b)=number of non-smoker =total non smoker=124 106 77=307

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
183 peoplein the 18-22 age bracket 59 smokes then non smoker=183-59=124 pobabiity of non-smoker=124/422=.29383 140 peoplein the 23-30 age bracket 34 smokes then non smoker=140-34=106 99 peoplein the 31-40 age bracket 22 smokes then non smoker=99-22=77 total non smoker=124+106+77=307 tota non-smo pobabiit=307/422=.7274 p(a intersection b)=p(a)+p(b)-p(aub)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: p(a)=number of person in 18-22 age/total number of person=183/183+140+99=>.43364 p(b)=number of non-smoker =total non smoker=124+106+77=307 tota non-smoker pobabiit=307/422=.7274 and we have P(aub)=.29383 then according to the formula. . p(a intersection b)=.43364+.7274-.29383=.86721...
View Full Document

This note was uploaded on 03/15/2012 for the course ACC 250 250 taught by Professor Connie during the Spring '11 term at University of Phoenix.

Ask a homework question - tutors are online