The probability of event A occurring is 0.5 and B occurring is 0.3. If A and B are mutually exclusive events, then the probability of neither  A and B occurring is 

The probability of event A occurring is 0.5 and B occurring is 0.3. If A and B are mutually exclusive events, then the 

probability of neither  A and B occurring is 

  1. A

    0.6 

  2. B

    0.5

  3. C

    0.7 

  4. D

    0.2

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    Solution:

    We have, 

    P(A)=0.5, P(B)=0.3

    Required probability = P(AB )=P(AB) 

            =1P(AB)

          =1{P(A)+P(B)}                                  A,B are mutually  exclusive events 

         =1(0.5+0.3)=0.2

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