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Lisa Runs a Local Flower Shop,if It Rains on Valentine's

Question 32

Multiple Choice

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.

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