Solve the problem. For some reason the quality of production decreases as the year progresses at a light bulb manufacturing plant. The following data represent the percentage of defective light bulbs produced at a light bulb manufacturing plant in the corresponding month of the year. month (x) 2 3 5 7 8 9 12 % defective (y) 1.3 1.62.02.42.62.83.1 Use the equation of the least squares line to predict the percentage of defective bulbs in June. Select one: O a. 2.20% O b. 2.0% O c. 2.15% O d. 2.3%

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