Question

You have a bag of marbles. 5 yellow, 5, green, 5

purple, 5 black, and 5 red. What is the

probability of pulling out a purple marble,

replacing it, then pulling out a black marble?

5

6

7

Answer 1

$P=\frac{5}{25}\frac{5}{25}=\frac{1}{25}=0.04.$