Chapter 13: Q 20. (page 847)
Use the information given in the figure.
How many are not in A?
.
The given figure is
The values are
.
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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
In a certain Precalculus class, there are 18 freshmen and 15 sophomores. Of the 18 freshmen, 10 are male, and of the 15 sophomores, 8 are male. Find the probability that a randomly selected student is:
(a) A freshman or female
(b) A sophomore or male
The _______ of A with B consists of all elements in both A and B.
Through observation, it has been determined that the probability for a given number of people waiting in line at the “5 items or less” checkout register of a supermarket is as follows:
Find the probability of:
(a) At most 2 people in line
(b) At least 2 people in line
(c) At least 1 person in line
According to the American Pet Products Manufacturers Association, there is a 34% probability that a U.S. pet owner owns a cat. If a U.S. pet owner is randomly selected, what is the probability that he or she does not own a cat?
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