A January 2005 survey of bikers, commissioned by the Progressive Group of Insurance Companies, showed that 40% of bikers have body art, such as tattoos and piercings. A group of 10 bikers are in the process of buying motorcycle insurance.
a. What is the probability that none of the 10 has any body art?
b. What is the probability that exactly 3 have some body art?
c. What is the probability that at least 4 have some body art?
d. What is the probability that no more than 2 have some body art?