Question
The average teachers salary in Connecticut( ranked first among states) is $57,337. suppose that the distribution of salaries is normal with a standard deviation of $7500.
What is the probability that a randomaly selected teacher makes less than $52,000 per year?
What is the probability that a randomaly selected teacher makes less than $52,000 per year?
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 that Z score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.
Anonymous
0.2389
Anonymous
0.2389