A survey of U. S. adults who attend at least one music concert a year found that 67% say concert tickets are too expensive. You randomly select 12 adults who attend at least one music concert a year and ask them if concert tickets are too expensive. (Remember to make correction) A)Find the probability that fewer than 4 people say that concert tickets are too expensive.
B)Find the probability that between 7 and 9 people, inclusive, say that concert tickets are too expensive.
C)Find the probability that at most 10 people say that concert tickets are too expensive.