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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

Question

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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Solution 1

To solve this problem, it's easier to find the probability of the opposite event (the event A does not happen in any of the three trials) and then subtract it from 1.

Step 1: Find the probability of event A not happening in a single trial. Since the probability of event A happening is 0.4, the prob Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
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