Question
A random sample of size 36 is taken from a population with mean 50 and standard deviation 5. Find P( < 51.5).
Answers
PsyDAG
If this is for distribution of means,
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
ryan
.9641