Two units, count the squares. Random letters because minimum word count
Answer:-5
Step-by-step explanation:
Answer:
or 
Step-by-step explanation:
The given equation is

Let us treat this as a quadratic equation in
.
where 
The solution is given by the quadratic formula;

We substitute these values into the formula to obtain;





or 
or 
or 
or 
Answer:
a) (59180,60820)
b) (59020,60980)
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $60,000
Standard Deviation, σ = $5,000
Sample size, n = 100
a) 90% critical values
Putting the values, we get,

b) 95% critical values
Putting the values, we get,
