Probability (1) Flashcards
What is P(event)?
Number of outcomes where event happens / Total number of possible outcomes
Number of outcomes where event happens / Total number of possible outcomes
What is P(event)?
How to find P(A union B)?
P(A) + P(B) - P(A intersection B)
P(A) + P(B) - P(A intersection B)
How to find P(A union B)?
What does P(a) + P(A’) equal?
1
How to calculate P(A’)?
1 - P(A)
1 - P(A)
How to calculate P(A’)?
What do tree diagrams show?
Probabilities for two or more events
Probabilities for two or more events
What do tree diagrams show?
What does P(B|A) mean?
Probability of B, when A has already happened
Probability of B, when A has already happened
What does P(B|A) mean?
How to calculate P(B|A)?
P(A intersection B)/P(A)
P(A intersection B)/P(A)
How to calculate P(B|A)?
Hoe to calculate P(A intersection B)?
P(A) * P(B|A)
P(A) * P(B|A)
Hoe to calculate P(A intersection B)?
