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Price of electricity: The Energy Information Administration records the price of electricity in the United States...

Price of electricity: The Energy Information Administration records the price of electricity in the United States each month. In July, 2013 the average price of electricity was 13.79 cents per kilowatt-hour. Suppose that the standard deviation is 1.30 cents per kilowatt-hour. What can you determine about these data by using Chebyshev's Inequality with K=3?

At least ____% of the data falls between ____ and ____ cents per kilowatt-hour

math   Statistics-And-Probability   
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