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What is the probability that 1 box of envelopes weighs

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Reference no: EM132522230

Letter envelopes are packaged in boxes of 100. It is known that, on average, the envelopes weigh 1 ounce, with a standard deviation of 0.05 ounces.

-What is the probability that 1 box of envelopes weighs more than 100.4 ounces?

-For how many boxes the standard error of the average weight of boxes of envelopes is 0.0083?

Reference no: EM132522230

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