The circle described by the equation (x 2)2 + (y + 5)2 = 16 is translated 4 units to the left and 1 unit up. at what point is the center of the image circle located?
(points : 5)
(-4, 6)

(4, -6)

(-2, -4)

(6, -6)

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.