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The following table shows the approximate number of males of Hispanic origin employed in the United...

The following table shows the approximate number of males of Hispanic origin employed in the United States in a certain year, broken down by age group. Age 15-24.9 25-54.9 55-64.9 Employment (thousands) 29,000 17,000 3,700 (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.) expected value yrs old standard deviation yr (b) In what age interval does the empirical rule predict that 68 percent of all male Hispanic workers will fall? (Round answers to the nearest year.) ,

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orchestra answered 1 year ago
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