Math
posted by Sue .
Can someone explain what to do for the following question.
What percentage of a normal distribution is greater than the mean? Give your answer correct to the nearest percent.
What formula is used? Because I have to find also 1 standard deviation of the mean and what percentage is greater than a value that is 1 standard deviation below the mean? My book does not explain this very good...

Math 
Steve
Your Z table makes it clear that the mean is right in the middle. That is 50% is greater, 50% is less.
Take a visit to
http://davidmlane.com/hyperstat/z_table.html
and you can play around with these ideas.
Respond to this Question
Similar Questions

Statistics  Is it from Normal Distribution
I think I know how to answer the following question IF I assume that the distribution is normal  however, since the question doesn't say that it comes from a normal distribution  should I proceed differently? 
Math
Can someone help me verify if this is correct? 
Math
Can someone help me verify if this is correct? 
statistics
Help!!I have tried this several times and come up with wrong answer. WHAT PERCENTAGE OF A NORMAL DISTIBUTION IS GREATER THAN THE MEAN? 
statistics
Consider the following. (a) What percentage of a normal distribution is greater than the mean? 
Statistics
Consider the following. (a) What percentage of a normal distribution is greater than the mean? 
math
Consider the following. (a) What percentage of a normal distribution is greater than the mean? 
Math Help
Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation of ó = 4.6 inches. A random sample of 25 heights is obtained. (c) Find the standard error of this sampling … 
Math check
A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15. (a) This sample of 26 has a mean value of x, which belongs to a sampling distribution. Find the shape of this … 
MATH HELP
The amount of fill (weight of contents) put into a glass jar of spaghetti sauce is normally distributed with mean ì = 843 grams and standard deviation of ó = 9 grams (d) Find the mean of the x distribution. (Give your answer correct …