Somebody please help me, correct answers please, I’ll give brainliest ❤️❤️❤️

Given this information, which expression must represent the value of b?

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.

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?