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You're an accounting manager. A year-end audit showed 3% of transactions had errors. You implement new procedures. A random sample of 150 transactions had 4

You're an accounting manager. A year-end audit showed 3% of transactions had errors. You implement new procedures. A random sample of 150 transactions had 4 errors. You want to know if the proportion of incorrect transactions decreased.

Which assumption or condition if any does not check out?

Randomization assuption

Independenceassumption

They all check out.

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