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121.The United States budget is about $3.8 trillion and foreign aid comprises 1% of the budget. If African countries receive a combined 20% of the United States' foreign aid, how much money is sent to the continent?
122.A group interested in the result of an upcoming ballot initiative about the public school system is conducting a poll to find the likely outcome. They randomly select registered voters with school-age children from the voting population. The first question in the poll ascertains whether or not the participant is a likely voter and only those people who plan to vote are asked to complete the poll. What is the flaw in this sample?