A recent poll asked 3,228 16- to 21-year-olds whether or not they are likely to serve in the U. S. military. The following joint probability table, cross-classified by sex and race, reports the proportion of those polled who responded that they are likely or very likely to serve in the active-duty military.

or

$6.42

step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: