Alocal board of education conducted a survey of residents in the community concerning a property tax levy on the coming local ballot. they randomly selected 850 residents in the community and contacted them by telephone. of the 850 residents surveyed, 410 supported the property tax levy. let p represent the proportion of residents in the community that support the property tax levy. how large a sample n would you need to estimate p with margin of error 0.04 with 95% confidence? assume that you don't know anything about the value of p.

Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2 a) maximum value at 38 b) minimum value at 38 c) maximum value at −38 d) minimum value at −38

For which pair of functions is (gof)(a)=|a|-2?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0