Consider a population of 20 bonds in which 5 of them have positive returns. Three bonds are sampled at random. Find the probability that at least one bonds with positive return is selected, 1. if those three bonds are selected without replacement

(Please explain whether this problem can be answered using "binomial distribution" or the "Poisson distribution")

2. if those three bonds are selected with replacement

(Please explain whether this problem can be answered using "binomial distribution" or the "Poisson distribution")