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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 step и The Evaristo Prize for African Poetry previously published poems? does the deadline day include 1 november submissions?
