Mathematics
Maryalice437
2016-04-20 10:47:12
Given p(a)=0.40, p(b)=0.50. if a and b are independent, what is the value of p(a intersection b)?
ANSWERS
Archer3545
2016-04-20 16:36:08

Draw a Venn diagram to better understand. However: P(A) = 0.4 P(B) =0.5 We have to calculate their intersection P(A∩B). This is a conditional probability, then P(A∩B) = P(A) x P(B) = 0.4 x 0.5. So P(A∩B) = 0.2

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