7_2 Part 1
CPA
Name:___________________________________
* All definitions are informal unless otherwise specified *
P(event) = __________________
Tree diagrams – used to determine all of the possibilities of a sample space
Example: P(all boys with 4 kids)
Table – rolling a dice 2 times
Roll #1 on top, roll #2 on side
1
2
3
4
5
6
1
2
3
4
5
6
P(sum > 10) =
P(even sum) =
Fundamental Counting Principal –
Replacement versus no-replacement: what is the difference?
How many different ways can I get a license plate with 3 letters (a-z) and 3 numbers (0-9)
with no replacement?
___ ____ ____ - ____ _____ _____
With replacement?
___ ____ ____ - ____ _____ _____
Factorial =
0! =
10! =
6! =
10! =
6!
1098! =
1096!
When can I simplify factorials in the numerator/denominator?