The mean of 5 observations is 40.The mean of 4 of them is 38.Find the 5th observation
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please mark it as the brainliest
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serdan2114:
ya i saw that qn but i can't solve it as already 2 users have already solved it
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40 by 5 is equal to a 1, 2, 3, 1,1 is the answer
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