TayJoker966
06.12.2021 •
Mathematics
A doctor wants to estimate the mean HDL cholesterol of all 20 to 29 year old females. How many subjects are needed to estimate the mean HDL cholesterol within 2 points with 99% confidence assuming s = 13.8 based on earlier studies? Suppose the doctor would be content with 95% confidence. How does the decrease in confidence affect the sample size? 99% requires ??? subjects 95% requires subjects How does the decrease in confidence affect the sample size
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Ответ:
The company should sell at least 2,250 units to break even
Step-by-step explanation:
We need to calculate what is know as break-even point (BEP).
It can be calculated as
FC: fixed cost
p: price
vc: variable cost
The variable cost are expressed as 20% of the revenue, so it can be calculated that vc=0.2*p=0.2*4=0.8
Now we can calculate the BEP