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A realtor is analyzing recent sale prices of 3 bedroom homes in her area. The mean...


A realtor is analyzing recent sale prices of 3 bedroom homes in her area. The mean sale prices of recent sales was $310 ,000 with a standard deviation of $20,000. Assuming no information concerning the shape of the distribution is known, what percentage of homes sold between $270,000 and $350,000?

approximately 68%
approximately 95%
at least 89%
at least 75%
math   Statistics-And-Probability   
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