Find the corresponding z-score to the given value and determine whether the value is unusual.

Question

A weight of 225 pounds among a population having a mean weight of 161 pounds and a standard deviation of 23.0 pounds.

Answer 1

Holy smoke!

By the looks of things, Joe/Johnny/Josh/John needs to stop now and re-take this entire course from the beginning. Thirteen posts -- and not a single thought of your own??

=(

Answer 2

you can play around with Z table stuff at

http://davidmlane.com/hyperstat/z_table.html