# What is the probability of 3 heads in five flips of a coin?

What is the probability of 3 heads in five flips of a fair coin?

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#### Solution Preview

Please see the attached file.

Use the Pascal triangle method:

Pascal's Triangle

1 1

1 2 1

1 3 3 1

1 4 6 4 1

1 5 10 10 5 1

A general approach to analysing coin flips is called Pascal's triangle. The triangle is a shortcut way to describe the sample space for the number of heads and tails from a sequence of ...

#### Solution Summary

The solution provides a detailed and step-by-step explanation for the problem, including the use of the Pascal triangle method to determine the probability of getting three heads in five flips of a coin.

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