Answer:
Prob (Online search or Skip test drive) = 0.69
Step-by-step explanation:
Prob (Online search) = P(OS) = 65% = 0.65
Prob (Skip test drive) = P (STD) Â 11% = 0.11
Prob (Online search & Skip test drive) = P (OS â‹‚ STD) = Â 7% = 0.07
Prob (Online search or Skip test drive) = P (OS U STD) :-
P(OS) + P (STD) - Â P (OS â‹‚ STD) Â
= 0.65 + 0.11 - 0.07 Â
= 0.69