Question

The daily exchange rate of one dollar in euros during the first three months of 2007 can be inferred to have the following distribution.
X P(x)
0.73 ... 0.05
0.74 ... 0.10
0.75 ... 0.25
0.76 ... 0.40
0.77 ... 0.15
0.78 ... 0.05
Find the mean and the standard deviation of the dollar to euros exchange rate.


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  • CreatedJune 03, 2015
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