Consider an experiment where we ask what type of carSolution

Consider an experiment where we ask what type of car

Solution

ANS:3²⁰ * 4²⁰

20 people were asked.

each person is given a choice to select among three in case of first question so 3²⁰

and in case of second question each have four possibilities so 4²⁰

so final answer is 3²⁰ * 4²⁰