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You toss a fair coin 5 times. What is the probability of at least one head? Round to the nearest ten-thousandth.

Solution

You toss a fair coin 5 times. What is the probability of at least one head? Round to the nearest ten -thousandth.

Solution

\frac{31}{32}

Solution steps

Find the probability of no head:

\frac{1}{32}

Probability of at least 1 head

= 1 -

Probability of no head

= 1 - \frac{1}{32}

1 - \frac{1}{32} = \frac{31}{32}

= \frac{31}{32}

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