Which best compares the volumes of cylinder X and cylinder Y? h
х
Y
A. The volume of cylinder X is less than the volume of cylinder Y.
a
B. The volume of cylinder X is equivalent to the volume of cylinder Y.
CC. The volume of cylinder X is greater than the volume of cylinder Y.
o
D. There is not enough information to compare the volumes.

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.