Probability hw?

The probability that family visits the museum is 0.36 and the probability that a family rides on the bus is 0.47. The probability that a family does both is 0.22. Find the probability that the family visits the museum or rides the bus

1 Answer

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  • Alvin
    Lv 4
    4 months ago

    Let M = event goes to Museum 

    Let  B = event Rides the Bus    

    P(M U B)  

    P(M U B) = P{M) + P(B) -  P(M and B)    

    P(MUB) = 0.36  + 0.47 - 0.22  =   0.83 - 0.22  = 0.61 

    P(M U B) = 0.61  

    P( Visits Museum or Rides the Bus) = 0.61  

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