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13 votes
13 votes
9. A bag contains 1 orange cube, 6 white cubes, and 3 grey cubes. Three cubes are drawn,

one at a time, without replacement Find the probability that the order in which they are
selected is
a white, white, white
b) white, white, grey
c) orange, white, grey
d) grey, white orange
urgent plz answer!!​

User James Menkal
by
2.2k points

1 Answer

14 votes
14 votes
Either a or b. Probably b.

There are far more white cubes than orange, so you can assume you won’t pull the orange cube. There is double the amount of white cubes than grey, but you’re still likely to pull at least one grey cube.
User Bill Huneke
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2.8k points