Question

In: Statistics and Probability

3) Suppose you wanted to simulate possible profit outcomes, and you know that revenues have a...

3) Suppose you wanted to simulate possible profit outcomes, and you know that revenues have a 30% likelihood of being $2 million, 12% likelihood of being $3.5 million, 48% likelihood of being $4 million, and 10% likelihood of being $4.5 million.

Furthermore, Costs have a 30% probability of being $3.25 million and a 70% probability of being $3.5 million.

Using Excel, simulate 100 instances of profit. Calculate average, minimum, and maximum profits.

Is 100 instances sufficient? Why or why not?

Solutions

Expert Solution

Revenue LIkelihood is let say x then

x P(x)
2 0.3
3.5 0.12
4 0.48
4.5 0.1
Sum 1

Cost is let say y then probability distribution

y P(y)
3.25 0.3
3.5 0.7
Sum 1

Profit P = X - Y

so we will simuate it 100 times and following is the result. Screenshow of excel image in given below

We will use Data analysis -> Random Number Generationmethod to solve the problem.

Revenue Cost Profit
3.5 3.5 0
2 3.5 -1.5
4 3.5 0.5
4.5 3.25 1.25
3.5 3.5 0
2 3.25 -1.25
2 3.5 -1.5
2 3.5 -1.5
4 3.25 0.75
2 3.25 -1.25
4 3.25 0.75
4 3.5 0.5
4 3.5 0.5
2 3.25 -1.25
2 3.5 -1.5
2 3.5 -1.5
4 3.5 0.5
4 3.25 0.75
4 3.5 0.5
4 3.25 0.75
4 3.5 0.5
4 3.5 0.5
4 3.5 0.5
4 3.5 0.5
3.5 3.25 0.25
4 3.5 0.5
2 3.25 -1.25
4 3.5 0.5
2 3.25 -1.25
4 3.5 0.5
2 3.5 -1.5
4 3.5 0.5
4 3.5 0.5
4.5 3.5 1
4 3.25 0.75
4 3.5 0.5
2 3.5 -1.5
4 3.5 0.5
4 3.25 0.75
4 3.5 0.5
4 3.5 0.5
4 3.5 0.5
4 3.5 0.5
2 3.5 -1.5
2 3.5 -1.5
2 3.5 -1.5
2 3.5 -1.5
2 3.5 -1.5
4 3.5 0.5
2 3.25 -1.25
4 3.5 0.5
4 3.25 0.75
4 3.5 0.5
4 3.5 0.5
2 3.25 -1.25
4 3.5 0.5
3.5 3.5 0
2 3.25 -1.25
2 3.25 -1.25
4.5 3.5 1
2 3.25 -1.25
4.5 3.25 1.25
4 3.5 0.5
4 3.25 0.75
4 3.25 0.75
4 3.5 0.5
3.5 3.5 0
4 3.5 0.5
2 3.5 -1.5
4 3.5 0.5
4 3.5 0.5
4.5 3.5 1
2 3.5 -1.5
3.5 3.5 0
3.5 3.25 0.25
4 3.5 0.5
4 3.25 0.75
4 3.25 0.75
3.5 3.25 0.25
2 3.25 -1.25
2 3.5 -1.5
4 3.25 0.75
4.5 3.5 1
4 3.5 0.5
2 3.5 -1.5
4 3.5 0.5
2 3.25 -1.25
2 3.5 -1.5
4 3.5 0.5
4.5 3.5 1
4 3.5 0.5
4 3.5 0.5
3.5 3.25 0.25
2 3.5 -1.5
2 3.5 -1.5
4.5 3.5 1
3.5 3.25 0.25
4 3.5 0.5
4 3.5 0.5
2 3.5 -1.5

Average Profit = -0.0725 million dollars

Minimum Profit = -1.5 milllion dollars

Maximum Profit =  1.25 million dollars

Here the sample size of 100 simulation is insufficient as we get the averaeg profit negative but as we calculate expected profit by using probability distribution, we get a position result.

so it should be higher.


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