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If the average of five observations a(1)...

If the average of five observations `a_(1), a_(2), a_(3), a_(4)`, and `a_(5)` is N, then what is the average of five new observations `a_(1)` - 100, `a_(2) - 100, a_(3) - 100, a_(4) - 100`, and `a_(5) - 100` ?

A

N - 20

B

N - 100

C

N - 40

D

N - 150

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The correct Answer is:
B
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