The answers
a. 16+20+20+20+20
b. 16+10+10+10
c. 16+10+10+10+10
d. 16+20

Cybil flips a coin and rolls a fair number cube at the same time. what is the probability that she will toss tails and roll a number less than 3?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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.