chapter 1

Chapter 2: Probability59..14 × .3 = .12 = P ( A1 ∩ B)= P(A ) • P(B | A). 35×.6 = .21 = P(A2 ∩ B). 25 × .5 = .125 = P(A3 ∩ B)a. P(A 2 ∩ B) = .21b. P(B) = P(A 1 ∩ B) + P(A 2 ∩ B) + P(A 3 ∩ B) = .455c.P( A1∩ B).12P(A 1 |B) = = = . 264P(B).455.21P(A 2 |B) = = . 462 , P(A 3 |B) = 1 - .264 - .462 = .274.45560.a.P(not.disc ∩ has.loc).03P(not disc | has loc) = = = . 067P(has.loc).03 + .42b.P(disc ∩ no.loc).28P(disc | no loc) = = = . 509P(no.loc).5574