Answer:
Step-by-step explanation:
For this case we assume that w ehave the following observations:
The sample mean is given by this formula:
And we have this after solve for X2+ X3 from the last equation.
And if we solve for we got:
(1)
The sample standard deviation is defined as:
And if we replace the values given we have:
And we can simplify this expression like this:
Now we replace condition (1) and we got:
And solving the squares we got:
And we have the following quadratic equation:
And using the quadratic equation given by:
Using a = 2, b= -13400, c= 22444758 we got for the solutions:
and
We can select for example
And solving for X2 using the equation (1) we got:
So then the answer for this case is: