Mathematics

Mathematics, 18.03.2021 02:40, alexnunez07

A mail carrier randomly inspects every 20th letter being mailed. Out of 600 letters in the sample, 3 were open. There were 18,000 letters
being mailed. Make an inference about the number of all the letters
being mailed that were open.

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A mail carrier randomly inspects every 20th letter being mailed. Out of 600 letters in the sample,...

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