Probability and Sampling Review

The possible results of an action

• odds

• experimental probability

• outcome

• probability

A type of probability that describes what should happen for an event.

• experimental probability

• theoretical probability

• odds

• 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

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. What is the probability you will draw a purple marble on your first try?

• 2/9

• 1/3

• 1/2

• 1/4

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

• 1/2

• 1/4

• 1/6

• 1/8

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  

• 6

• 12

• 24

• 36

Which shows the sample space for flipping two coins?

• H, T

• HH, HT, TH, TT

• HH, TT

• Dime, Nickel

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults

• 340 adults

• 500 adults

• 425 adults