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Please help: North American companies that sell cross-country skis were all low on inventory in December 2020. Not sure if this trend will continue, Sam's

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North American companies that sell cross-country skis were all low on inventory in December 2020. Not sure if this trend will continue, Sam's Ski shop wants to conduct a survey to determine the percentage of 18- 50 year-olds that are planning on buying new cross-country skis for the 21/22 ski season. Determine the number of 18-50-year-olds that need to be surveyed, if Sam wants the estimate accurate to 5%, with a confidence level of 88%. [4 marks]

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