Which numbers are necessary to solve this problem?

a fence company has been in business for 18 months. it makes 450 white posts and 200 beige posts a day.

how many posts will the company make in 4 days?

a.
450 white posts, 200 beige posts

b.
450 white posts, 200 beige posts, 4 days

c.
18 months, 450 white posts, 200 beige posts

d.
18 months, 450 white posts, 200 beige posts, 4 days

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.