Posted by Rachel on .
IQ test scores are normally distributed with a mean of 97 and a standard deviation of 11.An individual's IQ score is found to be 123.Find the zscore corresponding to this value

Statistics 
PsyDAG,
Z = (scoremean)/SD

Statistics 
apryl,
For a particular value, this table gives the percent of scores between the mean and the zvalue of a normally distributed random variable. What percent of the total population is found between the mean and the zscore, assume z = 2.79

Statistics 
rebecca,
For a particular value, this table gives the percent of scores between the mean and the zvalue of a normally distributed random variable. What percent of the total population is found between the mean and the zscore, assume z = 2.57.
PLEASE HELP!!!