Mathematics, 22.05.2020 00:13 animaljamissofab
In a study conducted several years ago, the average farm size in the United States was 47.1 acres. The standard deviation of the sample was 8.6 acres. That data was approximately normally distributed. Determine the range of farm acreage that covers 68% of the farms.
(It says I can select multiple answers but I dont know if that matters)
15.1 to 79.1
29.9 to 64.3
38.5 to 55.7
42.8 to 51.4
Answers: 1
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In a study conducted several years ago, the average farm size in the United States was 47.1 acres. T...
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