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Estimate the number of farms land and building values

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The mean value of land and buildings per acre from a sample of farms is ?$1200?, with a standard deviation of ?$100. The data set has a? bell-shaped distribution. Assume the number of farms in the sample is 71.

?(a) Use the empirical rule to estimate the number of farms whose land and building values per acre are between ?$1100 and ?$1300.

______farms ?(Round to the nearest whole number as? needed.)

?(b) If 30 additional farms were? sampled, about how many of these additional farms would you expect to have land and building values between ?$1100 per acre and ?$1300 per? acre?

_______farms out of 30 ?(Round to the nearest whole number as? needed.)

Reference no: EM132852826

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