Confidence interval for percentage of boards in shipment

Reference no: EM13150716

a truck 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 industy performance specifications. in a simple random sample of 300 boards from this shipment, 12 fall outside these specifications. construct the 95% confidence interval for the percentage of all boards in this shipment that fall outside the specifications.

Reference no: EM13150716

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