Question 2: A park ranger is estimating the length of stays at a state park. He performs a simple random sample of 55 people and finds that the average stay is 2.25 hours with a standard deviation of 1.2 hours. Construct a 90%-confidence interval for the time spent at this state park. Don't forget to check conditions and interpret your confidence interval.

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A: p=-7, -6q=-1, -11 andr=0, 9