SOLUTION: The scores on a test are normally distributed with the mean of 150 and a standard deviation of 30. What is the score that is 1/2 standard mediation above the mean?

Algebra.Com
Question 443687: The scores on a test are normally distributed with the mean of 150 and a standard deviation of 30. What is the score that is 1/2 standard mediation above the mean?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi
mean of 150 and a standard deviation of 30.
*Note: | z = .5
.5 = (x-150)/30
x = .5*30 + 150
x = 165

RELATED QUESTIONS

The scores on a test are normally distributed with a mean of 50 and a standard deviation... (answered by ewatrrr)
The scores on a certain test are normally distributed with a mean score of 43 and a... (answered by stanbon)
The scores on a certain test are normally distributed with a mean score of 43 and a... (answered by stanbon)
The scores on a certain test are normally distributed with a mean score of 51 and a... (answered by stanbon)
The scores on a certain test are normally distributed with a mean score of 69 and a... (answered by ewatrrr)
Scores on an English test are normally distributed with a mean of 33.7 and a standard... (answered by Boreal)
The mean score on a history test was 74.3 and the standard deviation was 5.7. Assuming... (answered by stanbon)
The scores of students on a standardized test are normally distributed with a mean of 300 (answered by stanbon)
You just have received your score in a language aptitude test. If your score was 82 and... (answered by solver91311)