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A bag contains 12 blue marbles, 15 red marbles, and 13 purple marbles. If Monty randomly draws a marble from the bag (and puts it back) 20 times, how many times should he expect…

A bag contains 12 blue marbles, 15 red marbles, and 13 purple marbles. If Monty randomly draws a marble from the bag (and puts it back) 20 times, how many times should he expect…
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A bag contains 12 blue marbles, 15 red marbles, and 13 purple marbles. If Monty randomly draws a marble from the bag (and puts it back) 20 times, how many times should he expect to pull a blue marble?

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User Eliran Tutia
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8.4k points

1 Answer

3 votes
Monty should expect to pull a blue marble 6 times because 12/40(20)=6
answered
User Lerato
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8.6k points
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