Question: Sampling with Replacement In a recent year, the U.S. Mint in Denver manufactured 270 million quarters. As part of the mints quality control program, samples

Sampling with Replacement In a recent year, the U.S. Mint in Denver manufactured 270 million quarters. As part of the mint’s quality control program, samples of quarters are randomly selected each day for detailed inspection to confirm that they meet all required specifications.

a. Do you think the quarters are randomly selected with replacement or without replacement?

b. Give two reasons why statistical methods tend to be based on the assumption that sampling is conducted with replacement, instead of without replacement.

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