Given p(a)=0.40, p(b)=0.50. if a and b are independent, what is the value of p(a intersection b)?
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