Recent content by SHOSHO19

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1)X=0,1,2,3,4 FIND E(X) The attempt at a solution: E(X)= (4 X)(.4)X (,6)4-X 2) YOU CAN TOSS A FAIR COIN UP TO 7 TIMES.YOU WILL WIN 1000$ IF THERE TAILS APPEAR BEFORE A HEAD IS ENCOUNTERED. WHAT ARE YOU CHANCES OF WINING ? The attempt at a solution: 2*2*2*2*2*2*2=128...