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Events A and B are mutually exclusive. Also, P(A) = 0.25 and P(B) = 0.35. What is P(A or B)?
A.0.1
B.0.25
C.0.35
D.0.6
Please explain I don't get it
 2 years ago
 2 years ago
Events A and B are mutually exclusive. Also, P(A) = 0.25 and P(B) = 0.35. What is P(A or B)? A.0.1 B.0.25 C.0.35 D.0.6 Please explain I don't get it
 2 years ago
 2 years ago

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ash2326Best ResponseYou've already chosen the best response.1
Two events A and B are mutually exclusive this implies that if A occurs B can't occur and if B occurs A can't occur. So here P( A intersection B)=0 (intersection or simultaneous occurrence or and) We know that \[ P(A\ or\ B)= P(A)+P(B) P( A\ and\ B)= 0.25+0.350=0.60\]
 2 years ago

ash2326Best ResponseYou've already chosen the best response.1
@Did you understand @Amy876 ?
 2 years ago

satellite73Best ResponseYou've already chosen the best response.0
if they are mutually exclusive you can add the probabilities
 2 years ago

Amy876Best ResponseYou've already chosen the best response.1
ya i got it thanks for ur help
 2 years ago
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