What is the question please help!
Answer:
The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.
Step-by-step explanation:
Normal variables
Normal variables have mean
and standard deviation 
When we add normal variables, the combined mean is the sum of both means, and the standard deviation is the square root of the sum of both variances. The distribution is still normal.
In this question:
Verbal:
.
Math: 
Combined:


The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.
Hi there! In this problem, two hundred and eighteen divided by thirty one would be 7.032258064516129. Like this:
281 / 31 = 7.032258064516129
Hope this answers your question!
(P.S. I could really use Brainliest.....)