Question

- Se P(A)=3/5; P(B)=3/10 e P(AUB)=1/10, encontre o valor de P(ANB).​

Answer 1

Resposta:

Explicação passo-a-passo:

P(a)=3/5

P(b)=3/10

P(AuB)=1/10

P(AnB)=?

P(AuB)=P(A)+P(B)-P(AnB)

1/10=3/5+3/10-p(AnB)

1/10-3/5-3/10=p(AnB)

1-6-3/10=p(AnB)

-8/10=p(AnB)

-4/5=p(AnB)

P(AnB)= -4/5