The base of a rectangular prism is a square. The height of a prism is half the length of one edge of the base. The volume of rectangular prism is 13.5 cubic units. What are the dimensions of a prism?

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.