1. Section 6.2.1 Probability Models
AP Statistics
November 25, 2009
Berkley High School

2. AP Statistics, Section 6.2, Part 1
Sample Space
The sample space S of random phenomenon is the set of all possible outcomes.
AP Statistics, Section 6.2, Part 1

3. AP Statistics, Section 6.2, Part 1
Event
An event is any outcome or a set of outcomes of a random phenomenon.
That is, an event is a subset of the sample space
AP Statistics, Section 6.2, Part 1

4. AP Statistics, Section 6.2, Part 1
Probability Model
A probability model is a mathematical description of a random phenomenon consisting of two parts: a sample space S and a way of assigning probabilities to events.
AP Statistics, Section 6.2, Part 1

5. Multiplication Principle
If you can do one task in a number of ways and a second task in b number of ways, then both tasks can be done in a·b number of ways.
AP Statistics, Section 6.2, Part 1

6. Sample Space: Rolling 2 Dice
1,1
1,2
1,3
1,4
1,5
1,6
2,1
2,2
2,3
2,4
2,5
2,6
3,1
3,2
3,3
3,4
3,5
3,6
4,1
4,2
4,3
4,4
4,5
4,6
5,1
5,2
5,3
5,4
5,5
5,6
6,1
6,2
6,3
6,4
6,5
6,6
AP Statistics, Section 6.2, Part 1

7. Sample Space: Flipping a Coin and Rolling a Die
AP Statistics, Section 6.2, Part 1

8. Sample Space: Flipping 3 Coins
TTT
TTH
THT
HTT
THH
HTH
HHT
HHH
AP Statistics, Section 6.2, Part 1

9. Sample Space: Flipping 4 Coins
TTTT
TTTH
TTHT
THTT
HTTT
TTHH
THTH
THHT
HTTH
HTHT
HHTT
THHH
HTHH
HHTH
HHHT
HHHH
AP Statistics, Section 6.2, Part 1

10. AP Statistics, Section 6.2, Part 1
Assignment
Exercises: 6.11, 6.12, 6.14, 6.17, 6.18
AP Statistics, Section 6.2, Part 1