For each shipment of parts a manufacturer wants to accept only those shipments with at most 10% defective parts. A large shipment has just arrived. A quality control manager randomly selects 50 of the parts from the shipment and finds that 6 parts are defective. Is this sufficient evidence to reject the entire shipment? Use a .05 level of significance to conduct the appropriate hypothesis test
H0: p ? 0.10
Ha: p > 0.10 Do not reject H0; .4714 < 1.645 . There is not sufficient evidence at ? = .05 to reject the entire shipment.
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