Post a New Question

statistics

posted by on .

if the mean is 20 and the standard deviation is 4, at least what percentage will have a mean between 15 and 25?

  • statistics - ,

    Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the two Z scores.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question