In the 2012 presidential election, exit polls from the critical state of Ohio provided the following results:

Total |
Obama |
Romney |

No college degree (60%) |
52% |
45% |

College graduate (40%) |
47% |
51% |

What is the probability a randomly selected respondent voted for Obama?

Chapter 1 Summary 1.1 The Real Number System Common Subsets of Real Numbers p. 34 The sets N, Z, Q, and R, as well as whole numbers and irrational numbers N: Natural Numbers (or Counting) N= {1, 2, 3, 4, 5, …} The set is infinite, so in list form we can write only the first few numbers. Whole: {0, 1, 2, 3, 4, 5, …} Whole numbers are natural...