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show all work 17. Linnea is a veterinarian and she would like to estimate the average cost of a pet visit to her clinic. She

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17. Linnea is a veterinarian and she would like to estimate the average cost of a pet visit to her clinic. She takes a random sample of 50 pet visits and computes a 95% confidence interval that has a margin of error equal to $13.20. What would happen to the margin of error if (1 pt each) a. Linnea increases the sample size to 100 pet visits? Increase / Decrease b. Linnea decreases the confidence level to 90%? Increase / Decrease

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