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Your medical research team is investigating the standarddeviationofthe cost of a30-day supply of a certain heart medication. A pharmaceutical company thinks that the standarddeviationofthe cost

Your medical research team is investigating the standarddeviationofthe cost of a30-day supply of a certain heart medication. A pharmaceutical company thinks that the standarddeviationofthe cost is lessthan$18. You want to support this claim. How would you write the null and alternativehypotheses?

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