Question

three hearts A B and C are in a is twice as like to win as b and b is twice as like to win as c what are the probability of winning

Answer 1

-3) + 9 = 0 px2-3px+9=0 a=p , b=-3p , c=9 b2-4ac= (-3p)2-4(p)(9) =9p2 -36p for having equal roots b2-4ac = 9p2-36p = 0 9p2-36p = 0 9p(p-4) = 0 9p=0 ...