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

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?

What is the probability of spinning red?

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?

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

P(not A) = 
*Remember to simplify.*

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

Which shows the sample space for flipping two coins?

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?

Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?

In a game, the probability of winning is 1 out of 5. How many times could Lisa expect to win if she plays the game 85 times?

Kris has a bag that contains only red marbles, green marbles, and purple marbles. Kris pulls a marble from the bag, records the color of the marble and puts it back in the bag. She performs 25 pulls and draws 8 red marbles, 12 green marbles, and 5 purple marbles. Based on the data, about how many times would Kris pull a red marble if she performed 1,000 pulls?