... P (A1 ) = 0, 9; P (A2 ) = 0, 8; P (A3 ) = 0, ( ) ( ) ( ) ( ) P (X = 1) = P (A ).P (A ) P (A ) + + P (A ) P (A ).P (A ) + P (A ) P (A ) P (A ) = 0, 092 P (X = 2) = P (A ).P (A ).P (A ) + + P (A ... ) + P (A ) P (A ).P (A ) + P (A ) P (A ) P (A ) = 0, 092 P (X = 2) = P (A ).P (A ).P (A ) + + P (A ) P (A ) P (A ) + P (A ) P (A ).P (A ) = 0, 398 P (X = 1) = P (A1 ).P A2 P A3 + 2 3 3 P (X = ... P (A.B ) P (N | A.B ) = P (A) P (B ) P (N | A.B ) + P (A) P (B ) P (N | A.B ) + + P (A) P (B ) P (N | A.B ) + P (A) P (B ) P (N | A.B ) P (N ) = P (A.B.N ) + P A.B.N + P A.B.N + P A.B.N = P (A)...