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Question: david barnes and his flance valerie shah are visiting hawail...

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David Barnes and his flancée Valerie Shah are visiting Hawail. At the Hawalian Cultural Center in Honolulu, they are told that 2 out of a group of 20 people will be randomly picked for a free lesson of a Tahitian dance. a. What is the probability that both David and Valerie get picked for the Tahitian dance lesson? (Round your answer to 4 decimal places.) b. What is the probability that Valerie gets picked before David for the Tahitian dance lesson? (Round your answer to 4 decimal places.)
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