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7.1.25 They change for the year Given the model and using the 68 5 7 2003 de to 2000 cmcy A and cy m ded by a m ate the prote
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Answer #1

Solution

Given mean = 1.484

standard deviation = 0.019

probability that on a randomly selected day during this period , unit currency less than 1.484

the probability is 99.7%

M ± 3SD = 1.484 ± 3(0.019) = 1.427 to 1.541

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