Ch. 5 - Probability

What is 30% of 450?

• 30

• 135

• 450

• 100

The list of all the possible outcomes are called:

• Space List
• Sample Space
• Probability
• Event

The chance of an event happening

• Event
• Result
• Outcome
• Probability

P(not A) = 

• 6/8
• 3/4
• 2/8
• 1/4

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

• 5/19
• 10/28
• 5/14
• 17/38

How many outcomes are there with tossing a coin and rolling a dice?

• 2
• 6
• 12
• 24

Which one is an example of a tree diagram?

• 
• 
• 
• 

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

1) What is the probability a randomly selected student got an A or B for the semester?

• 15/100

• 20/100

• 35/100

• 65/100

Each letter of the word Banana is written on a card. Find each probability if you pick two cards without replacing the first.

P(B, then N)

• 1/15

• 1/5

• 1/10

• 0

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. Find P(both marbles are purple)

• 2/9

• 1/3

• 1/2

• 1/4