nine percent of americans say they are well informed about politics in comparison to most people. you randomly sample 200 americans and ask if they believe that they are well informed about politics in comparison to most people. what is the probability that less than 11% of the people sampled will answer yes to the question?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?