A company operates four machines (A, B, C, D) in three shifts each day. From production...

A company operates four machines (A, B, C, D) in three shifts each day. From production records, the following data on the number of breakdowns are collected. Is there sufficient evidence to conclude that that breakdowns are independent of the shift? (1 pt)

A B C D

Shift-1 41 20 12 16

Shift-2 31 11 9 14

Shift-3 15 17 16 10

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orchestra answered 1 year ago

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