NEW PROBABILITY CARDS Flashcards
1
Q
Events are independent.
P(A or B) =
A
P (A or B) = P(A) + P(B) - P (A and B)
2
Q
Events are independent.
P(A and B) =
A
P (A and B) = P(A)*P(B)
3
Q
Events are NOT independent. If A occurs B must also occur. (a.k.a A is a subset of B)
P(A and B) =
A
P (A and B) = P(A)
4
Q
Events are NOT independent. If A occurs B must also occur. (a.k.a A is a subset of B)
P(A or B) =
A
P (A or B) = P (B)
5
Q
Events are Mutually Exclusive
P (A or B) =
A
P(A or B) = P(A) + P(B)
6
Q
Events are Mutually Exclusive
P(A and B) =
A
P(A and B) can not occur
7
Q
Mean of random variable in a probability distribution =
A
= Sum of xP(x)
8
Q
Allows account for double counting!
A
Allows double check this!
