Question
Suppose that a given population of trees have an average height of 10.2 ft and a
standard deviation of 1.3 ft. Find the proportion of the population with heights above 11.8 ft.
standard deviation of 1.3 ft. Find the proportion of the population with heights above 11.8 ft.
Answers
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.