Ch5- Probability Flashcards
1
Q
What is the difference between an experiment and an event ?
A
- experiment- a number of outcomes
- event- one or more outcomes
2
Q
What is the other name for ‘union’ ?
A
- eg. ‘not A’ = compliment of A
3
Q
How do you show 2 events are independent ?
A
P (A n B) = P (A) x P (B)
4
Q
Show 2 events are mutually exclusive.
A
P(A u B) = P(A) + P(B)
