# 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.

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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