Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants

Question

scored between (–53.68, 64.64), where did 95% of the values for weight relative to the ideal lie? Round your
answer to two decimal places.

Answer 1

you can find Z-table help here:

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

you know the mean is midway between these two extremes.

Use the tool to find how many STD's that is, then scale up to find the real score range.