Answer
$P(dog~ownership~and~audit)=0.025038$
Work Step by Step
$6.42$% $=0.0642$ and $39$% $=0.39$.
$P(dog~ownership)=0.39$
$P(audit)=0.0642$
Using the Multiplication Rule for Independent Events (page 282):
$P(dog~ownership~and~audit)=P(dog~ownership)\times P(audit)=0.39\times0.0642=0.025038$
