ccording to the actual census data, in 12.6 percent of counties, there percentage of residents 65 and older was more than 0.22; in 16.5 percent of counties, it was less than 0.14; and in 2.2 percent, it was less than 0.10. Does the actual data support or fail the use of a model for this distribution?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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According to the actual census data, in 12.6 percent of counties, there percentage of residents 65 and older was more than 0.22; in 16.5 percent of counties, it was less than 0.14; and in 2.2 percent, it was less than 0.10. Does the actual data support or fail the use of a model for this distribution?
Number
of counties
350
300
250
200
150
100
50
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Item 1: Percentage of Population Aged 65 and Older
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55
Percentage of seniors (aged 65 years and over) in each county
Transcribed Image Text:Number of counties 350 300 250 200 150 100 50 → Item 1: Percentage of Population Aged 65 and Older 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 Percentage of seniors (aged 65 years and over) in each county
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