Graph y = 2/3x Which of the following statements are true? and choose all answers that apply:

A. The equation represents a proportional relationship

B. The unit rate of change of Y with respect to X is 2/3

C. The slope of the line is 2/3

D. a change of 3 units in X results in a change of 2 units in Y

E. A change of 3 units in X results in a change of 1 unit in Y

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.