Probability Flashcards
1
Q
Expected frequency =
A
Probability x number of trials
2
Q
The probability of events A and B happening
A
P(A and B) = P(A) x p(B)
3
Q
The probability of event A or B happening (exclusive events)
A
= p(A) + P(B)
4
Q
The probability of events A or B happening
A
= P(A) + P(B) - P(both)
5
Q
P(AuB) =
A
P(A) + P(B) - P(AnB)
