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<ol><li>Out of a group of 60 people, 20 invested in stock market, 23 had bank deposits and 34 had

treasury bonds. furthermore, 23had both bank deposits and treasury bonds. 13 had both bank deposits and stocks and 13 had stocks and treasury bonds. finally 10 of the people had no investments. use Venn diagram to determine how many of the 60 people had all the three types of investments, atleast two of the investments and exactly one of the investment.</li><li>A school has 600 mass communication students in a studio. 370 students listen to morning news, 310 listen to late night news and 120 listen to both broadcast. use a venn diagram to illustrate the number of students who do not listen to any of the broadcast and how many listen to only one broadcast.</li></ol>

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