To find the marginal relative frequency for drivers, we need to divide the total number of drivers by the overall total and then convert that to a percentage.
From the table:
- Total number of drivers = 77
- Overall total = 119
Now, we calculate the marginal relative frequency for drivers:
\[ \text{Marginal relative frequency for drivers} = \frac{\text{Total number of drivers}}{\text{Overall total}} = \frac{77}{119} \]
Now calculate the fraction:
\[ \frac{77}{119} \approx 0.6462 \]
To convert this to a percentage, we multiply by 100:
\[ 0.6462 \times 100 \approx 64.62% \]
Rounding to the nearest whole percent gives us:
\[ 65% \]
Thus, the marginal relative frequency for drivers is 65%.