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22-04-2024
Mathematics

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What is the standard deviation given the following information?
Probability Possible Returns
25.0% 24.0%
20.0% 36.0%
55.0% 9.0%

a. 63.0%
b. 49.1%
c. 56.8%
d. none of the answers is correct
e. 10.9%

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