Probability Assessment Created by: Megan Seeman August 2, 2011

1. There are 52 cards in a deck, what is the probability that an even card will be drawn? 1.1/2 2.5/13 3.5/52

2. I have a 2 six sided dice, what is the probability that I will roll two 5’s? 1.1/12 2.1/18 3.1/6

3. If you flip a coin 5 times, what is the probability that it will come up heads every time? 1.1/32 2.1/2 3.5/32

4.If the probability of picking a tie-dye sock from your drawer is.45, and if you randomly picked 12 socks from your drawer, about how many would be tie-dye?

5. Nathan has 3 red shirts, 4 blue shirts, and 8 white shirts, What is the probability that Nathan will wear a white shirt? 1.8/15 2.4/7 3.3/11

6. A classroom has 8 students with blue eyes, 4 students with green eyes, and 13 students with brown eyes. If a student is chosen at random, what is the probability that the student will NOT have blue eyes? 1.8/15 2.1/2 3.17/24

7.I have a die and a deck of cards. What are the chances that I roll a 4 and pull a king? 1.19/78 2.4/52 3.6/56

8. Every time Megan tells a joke everyone laughs 87% percent of the time. If Megan tells a different joke 3 times, what is the probability that nobody will laugh? 1..15% 2.22% 3..22%

9.I have 2 red marbles, 5 blue marbles, and 3 white marbles. If I pull 2 marbles without replacing, what are the chances I will pull 2 blue marbles? 1.2/9 2.1/2 3.1/45

10. Whenever Buzz-light-year shoots his laser beam he hits the target 20% of the time. If Buzz shoots his laser beam at Woody 5 times, what are the chances that Woody doesn’t get hit? % 2.20% 3.84%