Chapter 3 Flashcards
1
Q
Prob. of event
A
0< or = to P(E) < or = to 1
2
Q
Sample space
A
S= {__, ___, ___, ____,}
3
Q
Tossing a coin
A
1 time 2 outcomes= 2^1
2 times 4 outcomes= 2^2
etc.
4
Q
Complements:
A
P(A^c) = 1 − P(A)
5
Q
Additive Rule:
A
P(A ∪ B) = P(A) + P(B) − P(A ∩ B)
6
Q
Conditional Probability:
A
P(A|B) = P(A∩B)/ P(B)
key word: GIVEN
7
Q
Prob. rule of mutually exclusive events
A
P(A ∪ B)= 0
8
Q
Independence:
A
P(A ∩ B) = P(A) · P(B) if and only if A and B are independent events
