The standard deviation of the amount of financial aid a student at a college receives is $347. If we want to be within $75 of the mean amount a student receives, at the 98% confidence level, how many students should be surveyed?

Question

amistre64 · Answer

what do you know about the standard error?

anonymous · Answer

This is all the information I was given.

amistre64 · Answer

and, you are given your course materials .... look up the standard deviation and tel me what it says.

amistre64 · Answer

err,  look up the standard error ....

anonymous · Answer

Im entirely lost with this, hence why Im asking for help. This is all the information I was given to solve this problem :\

amistre64 · Answer

you are taking a course, your course material should cover the things you need to know to solve the problem.

what you need to know is something about "standard error".  try to find it.  this is the "study" part of finding your solution.

amistre64 · Answer

otherwise, google standard error and you should get something about it.