What is the probability of landing on YELLOW?
2/12 or 1/6
What is the probability of selecting a red card from a deck?
26/52 or 13/26
In a bag, there are 3 black marbles and 3 red marbles. What is the probability that you select a red marble?
3/6 or 1/2
There are 12 girls and 16 boys in a class. I select a random student to hand out the books at the start of class. What is the probability that I select a girl?
12/28 or 3/7
The set of all possible outcomes of an experiment are....
Sample Spaces
What is the probability of landing
on RED?
4/12 or 1/3
What is the probability of selecting a 2 in a deck of cards?
4/52 or 1/13
There are 8 marbles in a bag, 4 green, 2 black and 2 blue. What is the probability that a blue is selected?
2/8 or 1/4
I toss a fair coin 52 times, what is the expected number of heads that should appear?
26 heads
It will happen 0% of the time
Impossible
What is the probability of landing on an ODD NUMBER?
5/10 or 1/2
What is the probability that you select a card less than 5?
16/52 or 4/13
What is the probability that, in a bag of 13 marbles, 5 of which are black, a black marble is NOT selected?
The probability of rolling a 3 on a dice and then flipping a tails on a coin.
1/12
What your not looking for
Complement
What is the probability of landing on a
four-sided figure?
4/5
What is the probability of selecting a face card from a pack?
12/52 or 3/13
What is the probability that you select a green or yellow marble from a bag of 5 green, 3 black and 1 yellow.
6/9
A coin is flipped 60 times and it lands on tail 55 of them. Could this coin be biased?
Yes
High Probability
Likely
What is the probability of landing on GREEN OR YELLOW?
5/8
What is the probability that I select a Red Jack OR a Black King from a deck of cards
4/52 or 1/13
What is the probability of selecting an even ball out of a bag of balls numbered 1 through 15.
7/15
If you have a pink, green, orange, blue and purple color tiles. What is the probability that you will pick a green or blue tile?
2/5
How likely it is that an event will occur.
Probability