
Concept explainers
(a)
To find:
The probability of a teenager who buys non rock music. If a data in which a total of 100peopleabout their music expenditures, in which 38bought rock music, 20 were teenagers who bought music and 26 were teenagers.
(b)
To find:
The probability of someone who buys rock music or is a teenager. If a data in which a total of 100 people about their music expenditures, in which 38bought rock music 20 were teenagers who bought music and 26 were teenagers.
(c)
To find:
The probability ofsomeone who is not a teenager. If a data in which a total of 100peopleabout their music expenditures, in which 38bought rock music, 20 were teenagers who bought music and 26 were teenagers.
(d)
To find:
The probability of not a teenager, but a buyer of rock music. If a data in which a total of 100 people about their music expenditures, in which 38 bought rock music 20 were teenagers who bought music and 26 were teenagers.

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Chapter 12 Solutions
Pearson eText for Calculus for the Life Sciences -- Instant Access (Pearson+)
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