Definitions
Impossible
There is no chance that it will happen.
What is the probability of rolling a 1?
1/6
What is the chance that that Mr. D has a coin in his pocket?
Impossible
Even chance
There is a 50/50 chance that will occur.
What is the probability of rolling a 5 or a 6?
2/6
What is the probability that the coin lands on tails?
1/2
Fair Game
A game is fair if the probability of winning is equal to the probability of losing.
What is the probability of rolling an odd number
What is the probability that the coin lands on heads?
1/2
Probability
The chance that something will happen.
What is the probability of rolling an even number?
3/6
What is the probability that the coin lands on both heads and tails?
0/2
Event
Is an outcome or a group of outcomes of an experiment.
What is the probability of rolling a 1 and a 6 in one roll?
0/6
Mr. D flips a coin 50 times, and he lands on heads 32 times. What was the probability of the coin landing on tails?
18/50. Simplest form = 9/25