Question: A charitable organization is trying to determine if their contributions have dropped significantly in recent weeks. Since their founding, their weekly donations have averaged $12,000

  1. A charitable organization is trying to determine if their contributions have dropped significantly in recent weeks. Since their founding, their weekly donations have averaged $12,000 with a standard deviation of $1500. A random sample of 40 weeks from the past two years found an average donation of $11,657. Conduct a hypothesis test with a 2.5% level of significance to test if contributions have dropped.

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