The mean value of land and buildings per acre from a sample of farms is ​$1200​, with a standard deviation of ​$300. The data set has a​ bell-shaped distribution. Assume the number of farms in the...


The mean value of land and buildings per acre from a sample of farms is ​$1200​, with a standard deviation of


​$300. The data set has a​ bell-shaped distribution. Assume the number of farms in the sample is 80.


If 20 additional farms were​ sampled, about how many of these additional farms would you expect to have land and building values between ​$900 per acre and ​$1500 per​ acre?


Jun 09, 2022
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