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PaulKet PaulKet
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6 years ago
Lisa runs a local flower shop, if it rains on Valentine's Day and she opens the shop, she will lose $200. If it does not rain on Valentine's Day, she will earn $500 dollars as profits. The chance of rain is 30%, the standard deviation of the profits Lisa could earn on Valentine's Day is
A) 198.17.
B) 135.61.
C) 432.43.
D) 290.
Textbook 
Microeconomics: Theory and Applications with Calculus

Microeconomics: Theory and Applications with Calculus


Edition: 4th
Author:
Read 133 times
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The curious task of economics is to demonstrate to men how little they really know about what they imagine they can design.
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RumkoRumko
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6 years ago
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PaulKet Author
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6 years ago
Thanks for your help!!
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dri
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You make an excellent tutor!
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