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The probability of happening an event A in one trial is 0.4. F
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The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.

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The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.
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Question Text
The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.