wk 3 Flashcards
1
Q
what is classical probability
A
number of outcomes leading to an event divided by the total number of outcomes possible
P= ne / N
2
Q
what is relative frequency probability
A
number of times an event has occurred divided by the number of trials
P= the chance a particular event will happen (simple or marginal)
3
Q
describe what a union of set involves
A
xUy is the event consisiting of all outcomes in x oy y or in both
4
Q
the intersection of sets contains what
A
only those elelmets common to the the 2 sets xny
5
Q
what is it called is 2 events share no common outcomes
A
mutually exclusive events
6
Q
in conditional probability x and y are independent when?
A
the conditional probability of x given y is equal to the marginal probability of x
VICE VERSA
