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Hispanic Employment: Male The following table shows the approximate number of males of Hispanic origin employed in the United States in 2005, broken down by age group:48
Age | 15–24.9 | 25–54.9 | 55–64.9 |
Employment (thousands) | 16,000 | 13,000 | 1,600 |
a. Use the rounded midpoints of the given measurement classes to compute the expected value and the standard deviation of the age X of a male Hispanic worker in the United States. (Round all probabilities and intermediate calculations to two decimal places.)
b. Into what age interval does the empirical rule predict that 68% of all male Hispanic workers will fall? (Round answers to the nearest year.)
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- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill