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b. You select a SRS of 3,000 people, put them on your New Miracle Cold Fighting Supplement and have them report the duration of symptoms

b. You select a SRS of 3,000 people, put them on your New Miracle Cold Fighting Supplement and have them report the duration of symptoms for their next cold. You find that x = 8.45 days. Conduct a hypothesis test with a 5% level of significance

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