Arecent survey showed that among 100 randomly selected college seniors, 20 plan to attend graduate school and 80 do not. determine a 95 % confidence interval for the population proportion of college seniors who plan to attend graduate school. (enter each answer rounded to three decimal places.)

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min