What is the probability of rolling a 3 on a standard die?
1/6
Events that DO affect each other
Dependent Events
If I flip a coin 10 times, how many times can I expect to flip tails?
5
What is the probability of flipping tails twice in a row?
1/4
What we expect to happen?
Theoretical
What is the probability of a traffic light turning purple?
0
I am pulling marbles out of a bag WITHOUT replacing them. The bag has 3 blue, 1 red, and 4 green. What is the probability of getting a blue and then a red?
3/56
Out of the last 20 die rolls, Juan got four 7 times. How many times can he expect to four if he rolls the die 100 times?
35
What is the probability of rolling a 2 twice in a row?
1/36
What actually happens
Experimental
1/3
I am pulling marbles out of a bag WITHOUT replacing them. The bag has 3 blue, 1 red, and 4 green. What is the probability of getting a blue and then a green?
3/14
I have a bag with 3 blue marbles and 3 green marbles. How many times can I expect to get a blue marble if I draw 50 marbles out of the bag?
25
What is the probability of rolling a 2 and flipping heads?
1/12
Compound
I have a bag with 4 blue marbles, 7 green marbles, and 5 red marbles. What is the probability of me pulling out a red marble?
5/16
I am pulling marbles out of a bag WITHOUT replacing them. The bag has 3 blue, 1 red, and 4 green. What is the probability of getting a blue twice?
3/28
I have a bag with 3 blue, 1 red, and 4 green marbles. How many red marbles can I expect if I draw marbles out of the bag 40 times?
5
What is the probability of rolling a number greater than 2 and then rolling an even number?
1/3
The result of an experiment
Outcome
I have a bag with 4 blue marbles, 6 green marbles, and 5 red marbles. What is the probability of pulling out a blue or green marble?
2/3
I am pulling marbles out of a bag WITHOUT replacing them. The bag has 3 blue, 1 red, and 4 green. What is the probability of getting a red twice?
0
I have a bag with 3 blue, 1 red, and 4 green marbles. How many blues or greens can I expect if I draw marbles out of the bag 80 times?
70
What is the probability of rolling an odd number, flipping heads, and then rolling a number less than 2?
1/24
How often an outcomes occurs
Frequency