Asked by KALEB DAVIDSON
Test score are normally distributed with a mean of 500 and a standard deviation of 50. What percentage of students scored below a 575?
a
93.32%
b
50%
c
56.68%
d
6.68%
a
93.32%
b
50%
c
56.68%
d
6.68%
Answers
Answered by
PsyDAG
Z = (score-mean)/SD = (575-500)/50 = 75/50 = 1.5
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.
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.
Answered by
Anonymous
our use your browser to search for
david lane normal distribution
david lane normal distribution
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.