You may need to use the appropriate appendix table or technology to answer this question. If we model after-tax household income with a normal distribution, then the figures of a study imply the information in the following table. Assume that the distribution of incomes in each country is normal. Country Country A Country B Country C Country D Country E Mean Household Income $38,000 $21,000 $40,000 $14,000 $32,000 Standard Deviation $26,000 $38,000 $26,000 $17,000 $19,000 What percentage of households in Country A had an income of $45,000 or more? (Round your answer to the nearest percent.) %
You may need to use the appropriate appendix table or technology to answer this question. If we model after-tax household income with a normal distribution, then the figures of a study imply the information in the following table. Assume that the distribution of incomes in each country is normal. Country Country A Country B Country C Country D Country E Mean Household Income $38,000 $21,000 $40,000 $14,000 $32,000 Standard Deviation $26,000 $38,000 $26,000 $17,000 $19,000 What percentage of households in Country A had an income of $45,000 or more? (Round your answer to the nearest percent.) %
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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You may need to use the appropriate appendix table or technology to answer this question.
If we model after-tax household income with a normal distribution , then the figures of a study imply the information in the following table. Assume that the distribution of incomes in each country is normal.
| Country | Country A | Country B | Country C | Country D | Country E |
|---|---|---|---|---|---|
| Mean Household Income | $38,000 | $21,000 | $40,000 | $14,000 | $32,000 |
| Standard Deviation | $26,000 | $38,000 | $26,000 | $17,000 | $19,000 |
What percentage of households in Country A had an income of $45,000 or more? (Round your answer to the nearest percent.)
%
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