Answer :
Given:
The scores on a standardized test are normally distributed with a mean of 115 and standard deviation of 10.
Required:
What test score is 0.8 standard deviations below the mean?
Explanation:
[tex]\begin{gathered} \text{ The standard deviation is 10. So, 0.8 standard deviation is } \\ 0.8\times10=8.\text{ So, }115-8=107\text{ is the score that is 0.8 standard deviation } \\ \text{ from the mean.} \end{gathered}[/tex]Answer:
answered the question.