Bill is selling stickers to raise money for a charity. he sold 36 stickers on the first day and 23 on the second day. he had 26 stickers left at the end of the second day. how many stickers did bill have to stary with

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.