Electric motors are assembled on four different production lines. Random samples of motors are taken from each
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Electric motors are assembled on four different production lines. Random samples of motors are taken from each line and inspected. The number that pass and that fail the inspection are counted for each line, with the following results:
Can you conclude that the failure rates differ among the four lines?
Transcribed Image Text:
Line 1 2 3 4 Pass Fail 482 467 458 404 57 59 37 47
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The row totals are O 1 1811 and O 2 200 The column totals are O 1 539 O 2 526 O 3 495 ...View the full answer
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