A bag has 10 pens in it: 4 black, 3 blue, 2 green and 1 red

You randomly choose one pen from the bag and give it to Maria (who keeps it). You then randomly choose another

pen from the bag and give it to Ahmed. What is the probability that Maria gets a black pen and Ahmed gets a red

pen?

45

O

0 1 / 2

cation

Ri

E

w

9

Chip

Question

Mathematics

Devon

2 May, 18:02

A bag has 10 pens in it: 4 black, 3 blue, 2 green and 1 red

You randomly choose one pen from the bag and give it to Maria (who keeps it). You then randomly choose another

pen from the bag and give it to Ahmed. What is the probability that Maria gets a black pen and Ahmed gets a red

pen?

45

O

0 1 / 2

cation

Ri

E

w

9

Chip

+2

Answers (1)

Know the Answer?

Annabelle Potter · Answer 1

So chance to get a black pen: 4/10=2/5

Chance to get a red pen: 1/10

Chance for the two happened at the same time

2/5 * 1/10 = 2/50=1/25

I think ... I'm not very sure though