P(A)=P(B/A)=0,25 OBLICZ P(AU do góry nogami B')
P( A) = 0,25
P( B / A) = 0,25
Ponieważ P ( B /A) = P( A n B) /P(A)
zatem
P( A n B) = P( B / A ) * P( A) = 0,25* 0,25 = 0,0625
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P( A) = 0,25
P( B / A) = 0,25
Ponieważ P ( B /A) = P( A n B) /P(A)
zatem
P( A n B) = P( B / A ) * P( A) = 0,25* 0,25 = 0,0625
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