Answer:
Step-by-step explanation:
I think you're making an incorrect assumption here. X and Y are two events based on two separate, independent series of coin tosses, from coins A and B, respectively. Here's an example:
Coin one:
T-T-T-T-H-H
Coin two:
H-H-H-T-T-T
Event X (two heads in a row from coin A) occurred after event Y (three heads in a row from coin B). In the language of the question, X=6 and Y = 3. Since X>Y is a possible event in the space, P{X>Y} must be greater than zero.
answer:
The problem can be broken down by the outcome of the first toss of the two coins.
Bearing arithmetic typos, the answer should be 43/58.
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