Mathematics, 02.04.2021 01:50 ari218

A manufacturing company knows that their machines produce parts that are defective on occasion. They have 4 machines producing parts, and want to test if defective parts are dependent on the machine that produced it. They take a random sample of 321 parts and find the following results. Test at the 0.05 level of significance. Machine 1 Machine 2 Machine 3 Machine 4 Defective 10 15 16 9 Non-Defective 72 75 66 58 Can it be concluded that number of defective parts is dependent on machine

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