Question

A vendor claims that no more than 8% of parts shipped to a manufacturer fails to meet specifications. The manufacturer selects at random 200 parts from a large batch just received from the vendor and finds 19 defective parts. Determine the extent to which the current sample contradicts the vendor’s claim. Use 5% level of significance.​

Answer 1

Step-by-step explanation:

A vendor claims that no more than 8% of parts shipped to a manufacturer fails to meet specifications. The manufacturer selects at random 200 parts from a large batch just received from the vendor and finds 19 defective parts. Determine the extent to which the current sample contradicts the vendor’s claim. Use 5% level of significance.