The Following Table Shows the Approximate Number of Males of Hispanic

Short Answer

The following table shows the approximate number of males of Hispanic origin employed in the U.S., broken down by age group. $$\begin{array} { | c | c | c | c | } \hline \text { Age } & 15 - 24.9 & 25 - 54.9 & 55 - 64.9 \\\hline \begin{array} { c } \text { Employment } \\\text { (thousands) }\end{array} & 17,000 & 13,000 & 1,500 \\\hline\end{array}$$
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 U.S. Please round your answers to two decimal places. $\mu =$ __________ $\sigma =$ __________
In what age interval does the empirical rule predict that 68 percent of all male Hispanic workers will fall Please round answers to the nearest year.
from __________ to __________