The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. $15,000 - $19,999

A. 0.04
B. 0.05
C. 0.08
D. 0.07


Answer: B

Mathematics

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A.
B.
C.
D.

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Determine whether the data represent direct variation, inverse variation, or neither.

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Use a power series to solve the differential equation . ?

A. , where and  are arbitrary constants
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C. , where  and  are arbitrary constants
D. , where  and  are arbitrary constants
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Mathematics