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What are the odds against picking a red marble from a bag of 10 green marbles, 10 yellow marbles, and 5 red marbles?

What are the odds against picking a red marble from a bag of 10 green marbles, 10 yellow marbles, and 5 red marbles?
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2 votes
What are the odds against picking a red marble from a bag of 10 green marbles, 10 yellow marbles, and 5 red marbles?

User Dharan
by
8.0k points

2 Answers

1 vote
P(red) = 5/25 = 1/5……………
User Joseph Cho
by
8.7k points
4 votes
5 out of 25
pick the chance over
add all possibilities
User Hossein Fti
by
7.9k points
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