Question

1.A container holds 15 pennies, 8 nickels, and 10 dimes. You will randomly select two coins without replacement.
a. Fill in the probabilities on each branch of the tree diagram. Diagram is Below.
Penny- Penny
- Nickel
- Dime

Nickel- Penny
- Nickel
- Dime
Dime- Penny
- Nickel
- Dime
2 How many ways can you select the coins?
How many ways can you select exactly 1 nickel?
What is the probability that you select 2 pennies?
What is the probability that you select a dime and then a penny?
for my answers I got
9 ways
4 ways
15/33
25/176