Chapter 0.1, Problem 50E

Carbon emission controls Suppose that the following table summarizes the opinions of various groups on the issue of carbon emission controls. Use this table for problem $49\text{and}50$.

$\begin{array}{c}\begin{array}{cc}\text{Whites}& \text{Nonwhites}\end{array}\\ \begin{array}{cccccc}\text{Opinion}& \text{Rep}\text{.}& \text{Dem}\text{.}& \text{Rep}\text{.}& \text{Dem}\text{.}& \text{Total}\\ \text{Favor}& 100& 250& 30& 200& 580\\ \text{Oppose}& 250& 150& 10& 10& 420\\ \text{Total}& 350& 400& 40& 210& 1000\end{array}\end{array}$

Identify the number of individuals in each of the following sets.

(a) Whites and those who oppose carbon emission controls

(b) Whites or those who oppose carbon emission controls

(c) Non-white Democrats and those who favor carbon emission controls