What is the total of all of that?

What could explain what happened when the time was equal to 120 minutes

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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.