There are 4 kings in a standard deck of 52 playing cards. What is the probability if randomly selecting a card that is NOT a king? A. 1/52
B. 1/13
C. 1/2
D. 12/13

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.