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What is the variance and standard deviation for profit? Fill out the table below to help you calculate these values. Use the expected value that you found in part c in your calculations. Round any decimal values to two decimal places.   x f(x) x - E(x) (x - E(x))2 (x - E(x))2⋅f(x) -100 0.05       -50 0.15       0 0.30       50 0.35       100 0.12       200 0.03         Var(x)= σ=

What is the variance and standard deviation for profit? Fill out the table below to help you calculate these values. Use the expected value that you found in part c in your calculations. Round any decimal values to two decimal places.   x f(x) x - E(x) (x - E(x))2 (x - E(x))2⋅f(x) -100 0.05       -50 0.15       0 0.30       50 0.35       100 0.12       200 0.03         Var(x)= σ=

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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c.) What is the expected value for profit? Fill out the table below to help you calculate the value

The expected value for profit is 23

 

 

x

f(x)

x⋅f(x)

-100

0.05

 

-50

0.15

 

0

0.30

 

50

0.35

 

100

0.12

 

200

0.03

 

 

E(x)=

 

d.) Based on your expected value from part c, do we expect the business to earn a profit for the year?

 

 

e.) What is the variance and standard deviation for profit? Fill out the table below to help you calculate these values. Use the expected value that you found in part c in your calculations. Round any decimal values to two decimal places.

 

x

f(x)

x - E(x)

(x - E(x))2

(x - E(x))2⋅f(x)

-100

0.05

 

 

 

-50

0.15

 

 

 

0

0.30

 

 

 

50

0.35

 

 

 

100

0.12

 

 

 

200

0.03

 

 

 

 

Var(x)=

σ=

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