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Solution
Total number of marbles in the urn = 6 + 4 + 2 + 3 = 15
Total number of ways in which four marbles can be picked randomly from the urn = 15C4 = 1365
Number of blue marbles in the urn = 4
Total number of ways in which two blue marbles can be picked = 4C2
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Read the passage carefully and answer the following questions Many of the serious health concerns in modern America can be linked to poor diet. People who regularly consume foods high in sodium, sugar and saturated fats not only increase their chances of obesity, but also increase their risks of developing heart diseases, hypertension, diabetes and several types of cancer. Although some people, who regularly consume unhealthy foods, do so knowingly, there is also a significant portion of the population that remains under-educated about proper nutrition. What…
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