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04-06-2018
Mathematics

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Post-test you estimate that there are 48 marbles in a jar. the actual amount is 36 marbles. find the percent error

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04-06-2018

-- Actual number of marbles in the jar . . . 36

-- Your guess . . . 48

-- Error in your guess . . . (48 - 36) = +12 marbles

-- Error as a fraction of the actual treasure . . .

Error = +12/36 = +1/3 = 33-1/3 percent too high

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