you have requirement that men must be at least 74 in tall and women must be at least 70 in tall. the men height is 69 in +/-2.8 and women mean height is 63.6 +/-2.5. If the requirement s changed so that the tallest 4% of men and women are eligible, what would be the new minimum heights for men and women?

Question

you have requirement that men must be at least 74 in tall and women must be at least 70 in tall. the men height is 69 in +/-2.8 and women mean height is 63.6 +/-2.5.  If the requirement s changed so that the tallest 4% of men and women are eligible, what would be the new minimum heights for men and women?

PsyDAG · Answer

Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.04) and its Z score. Insert in above equation and solve.