Подобни търсения
2000 немски думи за 15 дни 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 2000 немски джули за 15 дни 2000 немски дюма за 15 дни