I started with a 620 on the diagnostic and though I have been getting good scores lately but the scores tend of fluctuate a lot. Don't know what will happen on the actual day. Hopefully I should be able to write a story like yours . блиндирани врати врати входни врати

Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David $1. Every time the coin lands on tails, David gives Kate $1. After the coin is flipped 5 times, what is the probability that Kate has more than $10 but less than $15.