Abrand name has a 50% recognition rate. assume the owner of the brand wants to verify that rate by beginning with a small sample of 7 randomly selected consumers.
a) what is the probability that exactly 6 of the selected consumers recognize the brand name is (round to 3 decimal places)
b) what is the probabilty that all the selected consumers recognize the brand
c) what is the probability that 3 of the selected consumers recognize the brand
d) if 4 consumers are randomly selected is 3 an unusually high number of consumers that recognize the brand name