What is the angle of rotation from / to /? Assume that the center of rotation is the origin. A. 90° counterclockwise B. 180° counterclockwise C. 270° counterclockwise D. 360° counterclockwise Please select the best answer from the choices provided A B C D

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.