A:a soma dos pontos obtidos e 10
B:os números obtidos são distintos
calcule p(AUB)
P(A)=(5,6);(6,5) e (6,6)=>3/36
P(B)=(1,2);(1,3);(1,4);(1,5);(1,6);(2,1)...(6,5).=>30/36
P(A--B)=(5,6) e (6,5)=>2/36
FORMULA:
P(A U B)=P(A)+P(B)-(A--B)
P(A U B)=3/36+30/36-2/36
P(A U B)=(3+30-2)/36
P(A U B)=31/36
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Verified answer
P(A)=(5,6);(6,5) e (6,6)=>3/36
P(B)=(1,2);(1,3);(1,4);(1,5);(1,6);(2,1)...(6,5).=>30/36
P(A--B)=(5,6) e (6,5)=>2/36
FORMULA:
P(A U B)=P(A)+P(B)-(A--B)
P(A U B)=3/36+30/36-2/36
P(A U B)=(3+30-2)/36
P(A U B)=31/36