Lightbulbs, again Refer to Exercise 7.77.During a given
Chapter 7, Problem 79(choose chapter or problem)
Lightbulbs, again Refer to Exercise 7.77.During a given week the number of defective bulbs ineach of five samples of 100 were found to be 2, 4, 9, 7,and 11. Is there reason to believe that the productionprocess has been producing an excessive proportion ofdefectives at any time during the week?
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