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09.09.2020 •
Mathematics
Mrs. Fitzgerald rents a stall in a mall where she sells antiques. She earns a mean revenue of $500 per month
with a standard deviation of $125. Her stall and new inventory costs her $225 per month and are her only costs.
She calculates her profits using this formula:
What will be the mean and standard deviation of the distribution of Mrs. Fitzgerald's profits?
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Ответ:
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