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In a certain county, the sizes of family farms approximately follow mound-shaped (normal) distribution with a...

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Basic Math

In a certain county, the sizes of family farms approximatelyfollow mound-shaped (normal) distribution with a mean of 472 acresand a standard deviation of 27 acres.

(a) According to the empirical rule, approximately __% of familyfarms have a size between 418 and 526 acres.

(b) According to the empirical rule, approximately __% of familyfarms have a size between 391 and 553 acres.

(c) According to the empirical rule, approximately __% of familyfarms have a size between 445 and 499 acres.

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Given sizes of family farms X approximately followmoundshaped normal distribution with a mean 472 acres and astandard deviation 27 acresAccording to Empirical rule 1 68    See Answer
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