Answer
$P(driver~|~female)=\frac{11,856}{18,219}\approx0.651$
Work Step by Step
N(female) = 18,219 and N(female and driver) = 11,856.
Using the Conditional Probability Rule (see page 288):
$P(driver~|~female)=\frac{N(female~and~driver)}{N(female)}=\frac{11,856}{18,219}\approx0.651$
