Homework Help: Algebra 2

Posted by Liz on Thursday, April 26, 2012 at 10:10pm.

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.
I couldn't put the diagram:(
It goes like this:
Penny
Penny-----> Nickle
Dime

Nickle----> Penny
Nickle
Dime

Dime------> Penny
Nickle
Dime

Use the tree diagram to answer the following:
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?

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