Mathematics, 15.01.2021 19:20 Babycute8279

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, 3...

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