Post a New Question

Math

posted by .

2500 students take a college entrance exam. The scores on the exam have an approximate normal distribution with mean u = 52 points and a standard deviation o = 11 points. Estimate the percentage of students scoring 52 points or more.
^
How would you do this?

  • Math -

    Z = (score-mean)/SD

    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. Multiply by 100.

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question