Ch 10 Review: Probability

Experimental probability is: number of times the event occurs/total number of trials 

• True
• False

Theoretical Probability is: number of outcomes favorable to that event/number of possible outcomes 

• False
• True

If I flip a coin 10 times how many times should I get heads?

• 1
• 10
• 3
• 5

If a marble is drawn AND REPLACED, what is the probability of drawing a red and then a blue?

• 1/3

• 1/2

• 1/4

• 1/8

If a marble is drawn and NOT replaced, what is the probability of drawing a red and then blue?

• 1/3

• 1/4

• 1/6

• 1/2

WITHOUT replacing, what is the probability Daniella draws a tootsie roll and then a piece of gum?

• 4/27

• 8/51

• 8/18

• 6/18

You pick a marble from this bag.
What is the probability you will choose either a black or white marble?

• 3/5
• 9/100
• 1/10
• 2/5

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown

• 8/26
• 4/13
• 8/25
• 1/3

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible