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Question I Not yet answered Marked out of 1.00 Flag question A real estate agent believes that the average closing cost of purchasing a new

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Question I Not yet answered Marked out of 1.00 Flag question A real estate agent believes that the average closing cost of purchasing a new home is $6500. She selects 40 new home sales at random and finds that the average closing costs are $6600. The standard deviation of the population is $120. Test her belief at alpha = 0.05 A BI-IUX>

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