The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1000 and the standard deviation is $140. 580 720 860 1000 1140 1280 1420 Distribution of Prices What is the approximate percentage of buyers who paid between $1000 and $1280? % What is the approximate percentage of buyers who paid less than $720? % What is the approximate percentage of buyers who paid between $860 and $1140? %

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