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If a coin is flipped 3 times, what is the probability of getting exactly 2 heads?

If a coin is flipped 3 times, what is the probability of getting exactly 2 heads?

Math   Statistics-And-Probability   
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Answer #1

Solution:

We are given that a coin is flipped 3 times. The number of possible outcomes when a coin is flipped three times are:

The possible outcomes are:

Now the probability of getting exactly 2 heads is:

Therefore, the probability of getting exactly 2 heads is 0.375

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