Susan has 45 hats in 20 cupboards. her friends borrowed some of the hats. ,nick borrowed 3 hats and shelly borrowed 2. hats. if susan divided the remaining hats into the cupboards., how many hats would be in each cupboard?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.