paigefields2578
04.06.2020 •
Mathematics
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
Solved
Show answers
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Ответ:
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
Ответ: