+407 Suppose you have a weighted coin in which heads comes up with probability 3/4 and tails with probability 1/4. If you flip heads, you win 2 dollars, but if you flip tails, you lose 1 dollar. What is the expected win of a coin flip in dollars?
+37146 {3/4 * 2 + 1/4 * (-1) ] / 2 = .625 62.5 cents ( not positive of this answer) Anyone else? ~EP
+37146 .{3/4 * 2 + 1/4 * (-1) ]/2=625
I've seen this Q answered by Chris his answer is :
{3/4 * 2 + 1/4 * (-1) ]= 1.25
