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.
Just wondering if someone is able to give instructions as to how to go about this questions?
As part of a large research project, a social psychologist develops a measure of global environmental attitudes (i.e., general attitudes towards the environment). Scores on this
measure are normally distributed, with a mean of µ=20 and a standard deviation of σ=2.5
What percentage of scores in the distribution are greater than 22?
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1 answer