Question: PLease help having trouble with this: A truck loaded with 8000 electronic circuit boards has just pulled into a firm's receiving dock. The supplier claims

PLease help having trouble with this:

A truck loaded with 8000 electronic circuit boards has just pulled into a firm's receiving dock. The supplier claims that no more than 3% of the boards fall outside the most rigid level of industry performance specifications. In a simple random sample of 300 boards from this shipment, 12 fall outside these specifications.Calculate the lower confidence limit ofthe 95% confidence interval for the percentage of all boards in this shipment that falloutside the specification.

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