Thursday
April 17, 2014

Homework Help: Algebra 1

Posted by Candace on Tuesday, June 26, 2012 at 1:13pm.

1. A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of randomly selecting a red marble then, without replacing it, randomly selecting a green marble?

2. A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. Two marbles are drawn at random, one at a time and without replacement. What is the probability of selecting two red marbles?

3. 10 cards are numbered from 1 to 10 and placed in a box. One card is selected at random and is not replaced. Another card is then randomly selected. What is the probability of selecting two numbers that are less than 6?

4. DeAnna has 4 quarters, 3 dimes, and 3 nickels in her purse. She reaches into her purse and randomly grabs two coins, one at a time. What is the probability DeAnna will first grab a quarter and then, without replacing it, grab a nickel?

5. Two friends are taking an English class that has a monthly reading list. Once a student chooses a book from the list, no other student can choose that book. If there are 3 mystery and 4 romance books left, what is the probability that both friends randomly select a romance book, one after the other?

6. Two friends are taking an English class that has a monthly reading list. Once a student chooses a book from the list, no other student can choose that book. If there are 3 mystery and 4 romance books left, what is the probability that both friends randomly select a romance book, one after the other?

7. A sock drawer has 8 blue socks and 6 black socks. A sock is chosen at random. Then, without replacing that sock, another sock is chosen at random. What is the probability of choosing two blue socks?

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