Asked by marie
3 Normally distributed
Test scores for a police exam is a normal distribution TEST,150,20.
5) Find the probability that a randomly chosen candidate’s score is greater than 165.
6) Find the cut-off score for the top 10% of test-takers.
Test scores for a police exam is a normal distribution TEST,150,20.
5) Find the probability that a randomly chosen candidate’s score is greater than 165.
6) Find the cut-off score for the top 10% of test-takers.
Answers
Answered by
PsyDAG
5. 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.
6. Find Z score with .10 in smaller portion. Insert in equation above and solve for 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.
6. Find Z score with .10 in smaller portion. Insert in equation above and solve for score.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.