Kamal earned a total of $32500 in 2017 he paid 9% of his amount into his pension
he paid 22% tax on the remainder of his earings

what is the amount left after paying his pension and his tax???
need the working.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.