Sample, population, and variable of interest

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A company makes long life light bulbs. Occasionally, some bulbs are produced that are short life-there are flaws in the filament that cause them to burn out more quickly. The company decides that so long as this happens less than 4% of the time, it is more profitable to allow the errors than to refine the production process to eliminate them. The factory foreperson claims that this standard is maintained, but she has an interest in having the company not close down her factory, so the owners decide to check for themselves. To do so, they take a single shipment of 2,400 bulbs, test 1,500 of them, and find 69 defective bulbs (4.6% of the bulbs they tested). a) Sample, Population, and Variable of Interest?

Reference no: EM133615914

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