for (1) i got .37 and for (2) i got 1 for all of them. Just want to make sure this is correct.

Q5. Binomial Distribution: if the bad part rate is 20%. (1) what is the probability to have 0 good part, if you randomly check 3 parts (2) what is the probability to have at most one good part, if you randomly check 3 parts. Assume that each time you check one part, and the part is put back after checking