If you assume the normal model for these data, in about what percent of countries would the percentage of people 65 and older be more than 0.22? In about what percentage of countries would the percentage of people 65 and older be less than 0.14?
If you assume the normal model for these data, in about what percent of countries would the percentage of people 65 and older be more than 0.22? In about what percentage of countries would the percentage of people 65 and older be less than 0.14?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.1: Stem-and-leaf Plots And Histograms
Problem 10E
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If you assume the normal model for these data, in about what percent of countries would the percentage of people 65 and older be more than 0.22? In about what percentage of countries would the percentage of people 65 and older be less than 0.14?
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designated by the U.S. Census Bureau in the United States.
Item 1: Percentage of Population Aged 65 and Older
Number 350
of counties
300
250
200
150
100
50
0
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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