Question

There are 17 black pens and 34 red pens in a bag. If the first pen picked out

is black and is not replaced, what is the probability of the second pen picked
out being red?
2/3
17/25
1/3
17/50

Answer 1

17/25

Explanation:

If one black pen is removed from the bag, there are 16 black pens and 34 red pens left in the bag, for a total of 50 pens in the bag.

The probability of a red pen being picked out is 34/50, or 17/25