A politician is running for a state representative position. She wants to know what her chances of winning are. Which method is MOST LIKELY to give a random sample of voters?

A Survey people in several different cities throughout the state

B Survey people who volunteer at political events

C Survey college students at a state college

D Survey people who ride public transportation

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

Asap! i'm not good math and i'm lost.

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.