Tom 6

This page lists questions and answers that were posted by visitors named Tom 6.

Questions

The following questions were asked by visitors named Tom 6.

Can someone give me a heads up on how to even start this problem.. Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989. (...

The middle 69% of a normally distributed population lies between what two standard scores? (Give your answers correct to two decimal places.)0.31 and 1.69 was my answers and they are wrong????. .

Answers

The following answers were posted by visitors named Tom 6.

There is a few of us working on these together so if you see different names that means none of us can figure it out. Again thank you

I put the information in as you said and I got for the second answer 0.66 and the last one 0.47 and they were wrong. What did I do wrong, I followed your instructions...