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At the entrance to a casino, there are three slot machines. Machine A is programmed so...

At the entrance to a casino, there are three slot machines.

Machine A is programmed so that in the long run it will produce a winner in 10% of the plays.

Machine B is programmed so that in the long run it will produce a winner in 15% of the plays.

Machine C is programmed so that in the long run it will produce a winner in 20% of the plays.

If we play each machine once, what is the probability that we will win on at least two plays?

Math   Statistics-And-Probability   
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