Question

You have a 3-card deck containing a one, a two, and a three. You pick a card, put it back, and then pick another card. What is the probability that you draw exactly 1 three?

Answer 1

first make a sample space for drawing two cards
{ (1,1) (1,2) (1,3) (2,1) (2,2) (2,3) (3,1) (3,2) (3,3) }

Answer 2

ok

Answer 3

how many of these are exactly draw one 3?

Answer 4

(1,3) (2,3) (3,1) (3,2) , that is 4 , out of how many total?

Answer 5

4/9

Answer 6

right