Question

You want to buy some popcorn from the concession stand but you need 20 more cents! In your pocket, you have 4 pennies, 2 nickels, and 3 dimes, if you reach in your pocket with out looking and pull out two coins, what is the probability that you will get both dimes?

Answer 1

www.wikihow.com/Calculate-Probability
This should help you!

Answer 2

9 coins total, 3 dimes
drawing without replacement,
P(dime,dime) = 3/9 * 2/8