1. in an august 2012 gallup survey of 1,012 randomly selected u. s. adults (age 18 and over), 53% said that they were dissatisfied with the quality of education students receive in kindergarten through grade 12. they also report that the "margin of sampling error is plus or minus 4%." (a) (2 points) what is the population of interest? (b) (2 points) what is the sample being used? (c) (2 points) what is the population parameter of interest, and what is the correct notation for this parameter? (d) (2 points) what is the relevant statistic? (e) (2 points) what is the best estimate of the proportion of u. s. adults who are dissatisfied with the quality of education students receive in kindergarten through grade 12. (f) (3 points) find an interval estimate for the parameter of interest. interpret it in terms of dissatisfaction in the quality of education students receive. use two decimal places in your answer.

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Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?

Write the equation of a line that is perpendicular to the given line and that passes through the given point. –3x – 6y = 17; (6, 3) y = x – 9 y = 2x – 9 y = –2x – 9 y = x + 0 3. is the relationship shown by the data linear? if so, model the data with an equation. x y 1 5 5 10 9 15 13 20 the relationship is linear; y – 5 = (x – 1). the relationship is not linear. the relationship is linear; y – 5 = (x – 1). the relationship is linear; y – 1 = (x – 5). write an equation in point-slope form for the line through the given point with the given slope. (–10, –1); m = y + 10 = (x + 1) y – 1 = (x – 10) y – 1 = (x + 10) y + 1 = (x + 10) 5. write an equation for each translation of . 6.5 units up y + 6.5 = | x | y = | 6.5 x | y = | x | + 6.5 y = | x | – 6.5 6. write an equation for each translation of . 5.5 units right y = | x | + 5.5 y = | x – 5.5 | y = | x | – 5.5 y = | x + 5.5 | 7. which equation translates y = | x | by 8 units to the left? y = | x | – 8 y = | x | + 8 y = | x – 8| y = | x + 8|