A population has a mean of 2,300 and a standard deviation of 300. (A) If we assume that the population has an unknown shape, find the minimum proportion of observations in the population that are in the range 1,400 to 3,200.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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Author:HOUGHTON MIFFLIN HARCOURT
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Chapter11: Data Analysis And Displays
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11. A population has a mean of 2,300 and a standard deviation of 300.
(A) If we assume that the population has an unknown shape, find the minimum proportion of observations
in the population that are in the range 1,400 to 3,200.
Transcribed Image Text:11. A population has a mean of 2,300 and a standard deviation of 300. (A) If we assume that the population has an unknown shape, find the minimum proportion of observations in the population that are in the range 1,400 to 3,200.
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