Question

What is the probability of drawing a blue card, replacing it, and then drawing a blue card?
http://media01.switchedononline.com/g_alg01_2011/11/cards.jpg

Answer 1

\[\frac{3}{5}\times \frac{3}{5}\]

Answer 2

as there are 5 cards and of those 5, 3 are blue

Answer 3

since you replace the card the probability is the same both times, and you want the probability of an "and" statement, which you get by multiplying