Chapter 13: Q 5. (page 847)
If each element of a set A is also an element of a set B, we say that A is a _____ of B and write A ____B.
a) Subset.
b)
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According to the U.S. National Center for Education Statistics, in 2008 there was a probability that a doctoral degree awarded at a U.S. university was awarded in engineering. If a 2008 U.S. doctoral recipient is randomly selected, what is the probability that his or her degree was not in engineering?
A golf ball is selected at random from a container. If the container has 9 white balls, 8 green balls, and 3 orange balls, find the probability of each event.
The golf ball is not white.
In Problems 11–16, construct a probability model for each experiment.
Tossing a fair coin twice.
The faculty of the mathematics department at Joliet Junior College is composed of 4 females and 9 males. Of the 4 females, 2 are under age 40, and of the males 3 are under age 40. Find the probability that a randomly selected faculty member is:
(a) Female or under age 40
(b) Male or over age 40
Two fair dice are rolled.
Determine the probability that the sum of the two dice is 11.
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