The ticket sales for sporting events at the new civic arena, Ask an Expert

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The ticket sales for sporting events at the new Civic Arena are believed to be normally distributed with a mea 1.The ticket sales for sporting events at the new Civic Arena are believed to be normally distributed with a mean of 12,000 and a standard deviation of 1,000. What is the probability that ticket sales will be fewer than 10,000 or more than 13,000?

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