Posted by Vivian on Sunday, July 15, 2012 at 5:26pm.
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.

math (statistics actually) needs stats teacher  Damon, Sunday, July 15, 2012 at 5:46pm
sorry can not help