Beth has already jogged 3 miles. she plans to jog less than 12 miles. which inequality can be used to find the number of miles (m) she has left to jog?
a. m + 3 > 12
b. m - 3 > 12
c. m - 3 < 12
d. m + 3 < 12

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.