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A bag contains 3 red pens 5 blue pens and 2 black pens a pen is selected at random and is not replaced what is the probability of selecting a red pen then a blue pen

User Chabir
by
5.1k points

2 Answers

7 votes

Answer: 1/6

Explanation:

3 red

5 blue

2 black

10 total

pick a red pen first: 3/10

pick a blue pen next: 5/9

3/10*5/9 = 15/90 or 1/6

User Simon Dowdeswell
by
5.2k points
2 votes

Answer: 1/6

Explanation:

User Cartonn
by
4.4k points