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.

Source: http://www.syracuse.com/business/poststandard/

index.ssf?/base/business-1/

a. What is the probability that none of the 10 have any body art?

b. What is the probability that exactly 3 have any body art?

c. What is the probability that at least 4 have any body art?

d. What is the probability that no more than 2 have any body art?