SOLUTION: To be the top 3% of the
class, what score do
you need if the mean must be 70% and standard
deviation to be 7%
Algebra ->
Statistics
-> Normal-probability
-> SOLUTION: To be the top 3% of the
class, what score do
you need if the mean must be 70% and standard
deviation to be 7%
Log On
Look up the standard normal (Z) score that corresponds to 97%. Multiply that Z-score by the standard deviation and then add the result to the mean. Anything at or above that number is in the top 3%.
John
My calculator said it, I believe it, that settles it
