Intro to Probability

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

• 3

• 1/10

• 3/10

• 30%

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent

• Independent

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19

• 10/28

• 5/14

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of drawing a red marble?

• 3/10

• 3/9

• 1/9

• 1/3

The probability based on frequency of outcomes during an experiment

•  experimental probability

• fundamental counting principle

• mutually exclusive event

• dependent event

Find the experimental probability of spinning Letter Q.

• 15/15

• 3/10

• 3/50

• 7/10

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

• 1

• 10

• 3

• 5

Based on the chart, what is the experimental probability of drawing a green marble?

• 1/8

• 8/25

• 8/100

• 7/8

The theoretical probability of rolling an even number on a dice.

• 3/6

• 1/2

• 1/6

• 5/6