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Math · Statistics And Probability
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nsurance companies A and B each earn an annual profit that is normally distributed with the same positive mean. The standard deviation of company As annual profit is one half of its mean. In a given year, the probability that company B has a loss (negative profit) is 0.9 times the probability that company A has a loss Calculate the ratio of the standard deviation of company Bs annual profit to the standard deviation of company As annual profit. OA) 0.49 B) 0.90 Oc) 0.98 OD) 1.11 OE) 1.71

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