Errors in a billing process often leadto customer dissatisfaction and ultimately hurt bottom-line profits. An articlein Quality Progress (L.Tatikonda, A Less Costly Billing Process, QualityProgress, January 2008, pp. 3038)discussed a company where 40% of the bills prepared contained errors. If 10bills are processed, what is the probability that

a.0 bills will containerrors?

b.exactly 1 bill willcontain an error?

c.2 or more billswill contain errors?