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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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True or False If a task consists of a sequence of three choices in which there are p selections for the first choice, q selections for the second choice, and r selections for the third choice, the task of making these selections can be done in different ways.
List all the ordered arrangements of 4 objects 1, 2, 3, and 4 choosing 3 at a time without repetition. What is ?
In a survey about the number of TV sets in a house, the following probability table was constructed:
Find the probability of a house having:
(a) 1 or 2 TV sets
(b) 1 or more TV sets
(c) 3 or fewer TV sets
(d) 3 or more TV sets
(e) Fewer than 2 TV sets
(f ) Fewer than 1 TV set
(g) 1, 2, or 3 TV sets
(h) 2 or more TV sets
Use the information given in the figure.
How many are in A or B?
According to a Harris poll, 5% of U.S. adults admitted to having spent money gambling online. If a U.S. adult is selected at random, what is the probability that he or she has never spent any money gambling online?
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