STAT 2300 Exam 1 Prep

P(B|A) P(A)

what equals P(A and B)?

P(A|B) P(B)

what also equals P(A and B)?

% of %

how do you know if something is given or not?

nCr

when you have no replacement and order does matter you use what?

nPr

When you don’t have replacement and order doesn’t matter you use what?

1-P(A)

P(Ac) (complement) equals what?

0

when A and B are mutually exclusive P(A and B) =

n^r

what do you use with replacement when order doesn’t matter

68, 95, 99.7

what’s the empirical rule percentages

independent

the variable is ____ if the P(A|B) = P(B)