Me
question 1
why is it important for the world to have an order of operations? answer in
complete sentences. include evidence or examples to support your answer.
question 2
how do you determine which operation to perform first in an expression with only multiplication and division? answer in complete sentences

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.