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The average square footage of a U.S. single-family home is 2750 square feet with a standard...

The average square footage of a U.S. single-family home is 2750 square feet with a standard deviation of 60 square feet. Consider a random sample of 525 homes.

Use Chebyshev's Rule to address the following questions. Round solutions to the nearest whole number, if necessary.

At least how many of the sample homes have square footage between 2630 and 2870 square feet?

homes

At least what percentage of the sample homes have square footage between 2390 and 3110 square feet?

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Math   Statistics-And-Probability   
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