Answer
$P(less~than~2~years)=0.96$
Work Step by Step
From (a): $P(2~years~or~more)=0.04$
The event "less than 2 years" is the complement of "2 years or more".
Use the Complement Rule (page 275):
$P(less~than~2~years)=1-P(2~years~or~more)=1-0.04=0.96$
