Asked by Anonymous
The average age of a child in kindergarden is 5 years or 60 months. The standard deviation is 12 months. If a random child is selected, find the probability that the childs age is between 54 and 66 months.
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores. You will want to add the proportions between the two Z scores and the mean.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores. You will want to add the proportions between the two Z scores and the mean.
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