Intro to Probabilities

• Answer Choice A
• Answer Choice B
• Answer Choice C
• Answer Choice D

Which shows the sample space for flipping two coins?

• H, T

• HH, HT, TH, TT

• HH, TT

• Dime, Nickel

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

What is the probability of rolling a cube and having it land as a six?

• 1/6

• 5/6

• 1/3

• 1/2

Probability can be expressed as a number between_____ and _____.

• 0 and 100

• 0 and 10

• 0 and 1

• -1 and 1

A fair coin is tossed three times. What are all the possible outcomes? How many total outcomes are possible?

If you roll the cube one time, what is probability of landing on 2?

• 2

The chart below represents the number of marbles in a jar.

P(green) =

• 5/19

• 10/28

• 5/14

What is the probability of NOT getting orange?

• Yes, because all of the probabilities are between 0 and 1 inclusive and the sum of all the probabilities is 1.
• No, all probabilities are not be between 0 and 1 inclusive
• No, the sum of all the probabilities is not 1.
• Yes, because the distribution is symmetric