P(2)= ?
1/13
P(sum of 8)= ?
5/36
The results that you want to happen in an experiment
Desired Outcome
When rolling one die...
P(3)=
Simple or Compound?
Simple
Miss Murch found the probability of drawing a spade to be 1/5. Did she find the theoretical or experimental probability?
Experimental Probability
P(Swiss)=?
1/2
P(queen of hearts)= ?
1/52
P(sum of 3)= ?
1/16
All results that could occur from an experiment
Possible Outcome
In a deck of 52 cards...
P(club or spade)=
Simple or Compound?
Compound
What is the theoretical probability of landing on green or blue?
1/2
P(Chicken or Ham)= ?
2/3
P(4 or 7)= ?
2/13
Probability of rolling the same number on both dice?
1/6
Desired Outcome / Possible Outcome
Probability Ratio
In a bag of 8 marbles...
P(yellow marble)=
Simple or Compound?
Simple
What is the experimental probability of landing on green or blue?
3/8
P(Jeans and Sneakers)= ?
1/4
P(2-4)= ?
3/13
P(sum of 6 or 7)= ?
What we expect to occur in an experiment
Theoretical Probability
What is the probability of picking a purple marble and landing on green?
1/22
What is the theoretical probability of not landing on green?
3/4
Create a tree diagram
P(Green and Short Hair)= ?
12 combinations
P(Green and Short Hair)=1/6
P(not an ace)= ?
12/13
P(not a sum of 12)= ?
35/36
What actually occurs in an experiment
Experimental Probability
What is the probability of picking a green or blue marble and landing on orange?
1/11
What is the experimental probability of not landing on green?
17/20
Create a tree diagram
P(Fish or Orange)= ?
18 combinations
P(Fish or Orange)= 5/9