阿摩線上測驗
2. Let A1, A2, A3 be events in a sample space 
. Let P(A1) = 0.4, P(A2) = 0.2, P(A3) = 0.4, and
AinA 
. Let B be another event with
=
0.05. What is
?
(A) 0.8
(B) 0.4
(C) 0.1
(D) 0.08
(E) None of these
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統計： A(1), B(0), C(0), D(1), E(1) #2852328
統計： A(1), B(0), C(0), D(1), E(1) #2852328