You have a bag of 17 marbles. Four are blue, six are green, 2 are red and the others are yellow. What us the probability of drawing a green marble, putting it aside , and then drawing a green marble again?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.