tripleog12716
01.02.2021 •
Mathematics
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.
Defective Machine 1 Machine 2 Machine 3 Machine 4
Non-Defective 10 15 16 9
72 75 66 58
Enter the test statistic - round to 4 decimal places.
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Ответ:
The following table shows the speeds at which Jeff does 4 activities. For biking it needs 19 miles / 2 hours, hence it means 9.5 miles / hour.
Step-by-step explanation: