Probability: Other Probability Problems – #410


Question: Write the claim that is suggested by the given statement. Then, write a conclusion about the claim. Do not use symbolic expressions or formal procedures; use common sense.

Last year an appliance manufacturer received many complaints about the high rate of defects among its washing machines. Approximately 9% of the machines were defective in some way. This year the company tightened up its quality control procedures. The latest shipment of 250 washing machines contained 2 defectives.

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