The data in Table 7 represent the income distribution of households in the United States in 2013.

Compute the probability that a randomly selected household earned the following incomes in 2013:

(a) $200,000 or more

(b) Less than $200,000

(c) At least $10,000

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Table 7 Annual Income Number Annual Income Number (in thousands) (in thousands) Less than $10,000 8940 $50,000 to $74,999 21,659 $10,000 to $14,999 6693 $75,000 to $99,999 14,687 $15,000 to $24,999 13,898 $100,000 to $149,999 15,266 $25,000 to $34,999 12,756 $150,000 to $199,999 6463 $35,000 to $49,999 16,678 $200,000 or more 5913