Question

There are 2 brown marbles, 3 black marbles, and 4 gold marbles in a bag. What is the probability of drawing 2 brown marbles if the first is replaced after it is drawn?

Answer 1

Answer:

.049 (2sf)

Step-by-step explanation:

$\frac{2}{9} \times \frac{2}{9} = 0.4938$

Answer 2

Answer & explanation:

The correct answer is 4/81. The probability of each marble drawn being brown is 2/9 because there are two brown marbles in a bag of nine total marbles. So, the probability that both marbles drawn will be brown is 2/9 times 2/9 or 4/81!