Question

68% of us adults have very little confidence in the newspaper you randomly selected 10 us adults find the probability that the number of us adults who have very little confidence in the newspaper is A exactly fiveB at least six c less than four

Answer 1

68% = 0.68

A) Exactly Five

10!/ [(10 - 5)!x5!] (0.68)^5 (1 - 0.68)^5 =

252 x (0.68)^5 x (0.32)^5 = 0.1229