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The A-36 steel pipe in (Figure 1) has an outer radius of 25 mm and an inner radius of 20 mm .If it fits snugly between the fi The life of light bulbs is distributed normally. The variance of the lifetime is 400 and the mean lifetime of a bulb is 580 The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 580 The following chart shows a store’s coat sales for two years. 2 circle graphs. A circle graph titled 2006. Top coats is 297, pa 1325 запад
