2.4 PROBABILITY 3. Properties of probabilities (1)0≤P(A)≤1 (2) If A, B, Cr.. are mutually exclusive events then P(A+B+C+.=P(A+P(B)+P(C)+ (3 If A, B, Cr.. are mutually exclusive and collectively exhaustive set of events, P(A+B+C+…)=R(A+P(B)+P(C)+.=12.4 PROBABILITY • 3. Properties of probabilities (1) 0≤P(A)≤1 (2) If A, B, C, ... are mutually exclusive events, then: P(A+B+C+...)=P(A)+P(B)+P(C)+... (3) If A, B, C, ... are mutually exclusive and collectively exhaustive set of events, P(A+B+C+...)=P(A)+P(B)+P(C)+...=1