Household Income Highest Level of Education Under $25,000 $25,000 to $49,999 $50,000 to $99,999 $100,000| and Over Total High school graduate Bachelor's degree Master's degree Doctoral degree 9880 9970 9441 3482 32,773 2484 4164 7666 7817 22,131 9003 1737 685 1205 3019 4094 79 160 422 1076 Total 13,128 15,499 20,548 16,469 65,644
The U.S. Census Bureau serves as the leading source of quantitative data
about the nation's people and economy. The following crosstabulation
shows the number of households (1000s) and the household income by the highest level of education for the head of household (U.S. Census Bureau website, 2013). Only households in which the head has a high school diploma or more are included.
a. Develop a joint probability table.
b. What is the probability of the head of one of these households
having a master's degree or more education?
c. What is the probability of a household headed by someone with a
high school diploma earning $100,000 or more:
d. What is the probability of one of these households having an
income below $25,000?
e. What is the probability of a household headed by someone with a
bachelor's degree earning less than $25,000?
f. Is household income independent of educational level?
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