Answer
60,980 miles
Work Step by Step
2% = 0.02
According to Table V, the z-score which gives the closest value to 0.02 is -2.05
Let's find the mileage for the given z-score:
$z=\frac{X-μ}{σ}$
$-2.05=\frac{X-70000}{4400}$
$-2.05\times4400=X-70000$
$-9020=X-70000$
$X=-9020+70000$
$X=60980$