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OpenStudy (anonymous):
A researcher wants to conduct a genetic study using 15 randomly-selected volunteers. He has a volunteer pool of 30, composed of 15 males and 15 females. What is the probability that the randomly-selected group will be all male OR all female? A. 1/155,117,520 B. 1/77,558,760 C. 1/310,235,040 D. 1/450
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