Probability

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

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

• 2
• 6
• 12
• 24

How do you find compound probability?

• Multiply your probabilities
• Add your probabilities
• Divide your probabilities
• Subtract your probabilities

Which shows the sample space for flipping two coins? (Hint) First coin is Heads or tails and the second is heads or tails.

• H, T

• HH, HT, TH, TT

• HH, TT

• Dime, Nickel

Tags

CCSS.7.SP.C.8B

A set of all possible outcomes is known as - 

• a list
• a complement
• a sample space
• an event

What is an outcome?

• The result of an experiment
• The chance or likelihood of an event
• A fraction, decimal, or a percent
• An activity that gives various results

If 33% of the students at Harnett Central have a pet, then what is the probability of the complement of this event?

• 33%
• 77%
• 67%
• 50%

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

Suppose you pay $1.00 to roll a fair die with the understanding you will get $3.00 back rolling a 4 or a 2, and nothing otherwise.  What is the expected amount you win?

• $0.00
• -$1.00
• $1.00
• $3.00