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a stock has a 50% probability of earning 10% 30% of earning 12% and 20% of earning 30% What is the stock's standard deviation of
a stock has a 50% probability of earning 10%
30% of earning 12%
and 20% of earning 30%
What is the stock's standard deviation of returns?
3 security analysts can cover 5 different industries; how many different ways can one analyst be assigned to each industry?
(permutations)
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