Expected outcome
Probability Vocabulary
Theoretical Probability
Theoretical vs.
Experimental
Experimental
Probability Potluck
100
If you flip a coin 10 times, how many times do you expect to get heads?
5
100
A ratio or product of the likelihood of an event(s) determined by mathematical facts known to us.
Theoretical Probability
100
When rolling one die...
P(3)= ?
1/6
100
Mr. Barker found the probability of drawing a spade to be 1/5. Did he find the theoretical or experimental probability?
Experimental Probability
100
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red?
1/4
200
If you roll a die 24 times, how many times do you expect to get a 4?
4
200
What actually occurs in an experiment when you conduct an experiment(s).
Experimental Probability
200
When flipping 2 coins
P(both coins are heads)=
1/4
200
What is the theoretical probability of landing on green or blue?
1/2
200
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning purple?
0
300
How many times would you expect to get red if you spun the spinner on the anchor chart 40 times?
10
300
All results that could occur from an experiment
All Possible Outcomes
300
What is the probability of rolling a factor of 6 on a 6 sided die?
4/6 or 2/3
300
What is the experimental probability of landing on green or blue?
3/8
300
You have a bag of marbles, four red and five green. What is the probability of choosing red?
(4/9)
400
How many times would you expect to get an even numbers if you rolled a dice, 40 times?
20
400
A set of one or more outcomes in a probability experiment.
An event
400
What is the theoretical probability of picking a purple marble?
1/11
400
What is the theoretical probability of not landing on green?
3/4
400
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red then blue? (HINT: Think of ALL of the possible combinations, that will be your denominator)
1/16
Spinner 1 Spinner 2
Blue + Red, yellow, blue, green
Green + Red, yellow, blue, green
Yellow + Red, yellow, blue, green
Red + Red, yellow, blue, green
500
True or false, you should expect to get heads exactly 30 times if you flip a coin sixty times.
false.
500
The results that you want to happen in an experiment
D_______ O_______
Desired Outcome
500
What is the probability of landing on a green?
1/4
500
What is the experimental probability of not landing on green?
17/20
500
What is the theoretical probability of rolling a one THEN picking a red card out of a deck of cards
1/6 * 1/2 (half of cards are red so 1/2) = 1/12