Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.
99% confidence; n = 6500,- 1950

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4