Which expression can NOT be used to find the product of 2, 4, and 5?a)(4 x 2) x 5b)(2 x 5) x 4c)(5 + 4) x 2d)4 x (5 x 2)

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.