Determine that the first diode selected has efficiency

Reference no: EM131768169

Question: In a batch of 10 laser diodes, two have efficiency below 0.28, six have efficiency between 0.28 and 0.35, and two have efficiency above 0.35. Two diodes are selected at random and without replacement. Are the events E1 = {the first diode selected has efficiency below 0.28} and E2 = {the second diode selected has efficiency above 0.35} independent? Justify your answer.

Reference no: EM131768169

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