Find the missing probability. P(A and B) = , P(B|A) = 1/5, P(A) = 3/4

3/20

3/4

4/3

4/15

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed