Probability with a Standard Deck of Cards
Probability
Probability Vocabulary
Theoretical vs.
Experimental
Experimental
Make a Prediction
100
Probability of drawing a 2 (as a percent)
approx. 7.7%
100
the probability of rolling a 2 (give answer as a fraction)
1/6
100
The ratio of the number of ways an event could occur to the total number of equally likely outcomes
Theoretical Probability
100
What is the experimental probability of drawing spades?
1/5
100
If you flip a coin 320 times. How many times can you expect it to land on heads?
ABOUT 160 times
200
Probability of drawing the Queen of Hearts?
1/52
200
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red?
1/4 or 25%
200
After repeated trials the experimental probability should get _________ to the theoretical probability
closer
200
Theoretical probability of flipping heads twice in a row (as a fraction)
1/4
200
If you roll a dice 50 times. How many times can you expect it to land on 5?
About 8 times
300
Probability of drawing a 2,3 or 4 (as a fraction)
3/13
300
Probability of rolling an 8 on a single die
0
300
Describe the likelihood if the probability is 51%
Likely
300
What is the theoretical probability of landing on green or blue?
1/2 or 50%
300
If a die is rolled 75 times, how many times can you expect it to land on 2 or 4?
About 25 times.
400
Probability of pulling any 4 OR a heart (as a fraction)
4/13
400
You have a bag of marbles, four red and five green. What is the probability of choosing red?
(4/9)
400
what we expect to happen mathematically
Theoretical probability
400
What is the experimental probability of landing on green or blue?
3/8
400
Out of 416 player 71 players won. How many players would you expect to will if 600 people played?
ABOUT 102 winners
500
Probability of not an ace (as a percent)
about 92%
500
Probability of an even number or a 1
(give as a percent)
about 67%
500
The ratio of actual outcomes to the total number of possible outcomes in repeated trials
Experimental Probability
500
What is the theoretical probability of not landing on green?
3/4 or 75%
500
Out of 250 draws of a standard deck of cards what is the probability of drawing an ace.
about 19 times
1000
There were 22 winners out of 213 total players. How many players could you expect to lose if there was a total of 500 players?
About 448 losers