Question

You choose a marble at random from a bag containing:

3 blue marbles
7 red marbles
4 green marbles
What is the probability that you pick a red marble, replace it, and then pick a
green marble?
Express your answer in percentage form, round to the nearest tenth.

Answer 1

Answer: 14.3%

Explanation:

3 blue

7 red

4 green

14 total

pick a red: 7/14

replace it

pick a green: 4/14

7/14*4/14 = 1/7 or 14.285714%

rounded that is 14.3%