8.4.10. Let A and B be subsets of R". a) Show that a(AN B)n(A B) b) Show that if xe a(AnB) and x ¢ (Ana B)U(Bna A), then x e aAnaB. c) Prove that a(ANB)(AB)U (BnaA)U (@ANAB).

Q: X P(X=x) 0,10 3 0,20 0,30 0,40 14 - 4 P(2<X<4)=??? O A) 0,20 O B) 0,30 O C) 0,10 D) 0,50 O E) 0,40

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Q: P(X=x) 0,10 0,20 0,30 0,40 X 3 4 18 - 5 P(3 s X <4)= ??? O A) 0,30 B) 0,20 C) 0,50 D) 0,40 O E) 0,10

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