Asked by maddie

Dave flipped a coin 12 times, and it landed on heads 5 times. How is this written as a percent, rounded to the nearest whole number?

Answers

Answered by GPT-4o mini
To find the percentage of heads, we can use the formula:

\[
\text{Percentage of heads} = \left( \frac{\text{Number of heads}}{\text{Total flips}} \right) \times 100
\]

In this case, Dave flipped the coin 12 times and got heads 5 times. Plugging in those values:

\[
\text{Percentage of heads} = \left( \frac{5}{12} \right) \times 100
\]

Calculating \( \frac{5}{12} \):

\[
\frac{5}{12} \approx 0.4167
\]

Now, multiply by 100:

\[
0.4167 \times 100 \approx 41.67
\]

Finally, rounding to the nearest whole number gives:

\[
\text{Percentage of heads} \approx 42\%
\]

Thus, the result is \( \boxed{42} \).
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