According to a survey of workers, startfraction 2 over 50 endfraction of them walk to work, startfraction 1 over 50 endfraction bike, startfraction 11 over 50 endfraction carpool, and startfraction 36 over 50 endfraction drive alone. what percent of workers walk or bike to work?

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(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.