Chapter 13: Q 6. (page 847)
If the number of elements in a set is a nonnegative integer, we say that the set is _____ .
Finite.
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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
According to the Insurance Information Institute, there is a 13% probability that an automobile theft in the United States will be cleared by arrests. If an automobile theft case is randomly selected, what is the probability that it is not cleared by an arrest?
Use the information given in the figure.
How many are in A but not C?
Problems 63–66 are based on a consumer survey of annual incomes in 100 households. The following table gives the data.
What is the probability that a household has an annual income between \(10,000 and \)29,999, inclusive?
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