Question: In a Normal distribution, approximately type your answer... % of the data falls within two standard deviations of the mean. 7 10 points Credit

In a Normal distribution, approximately type your answer... % of the data

In a Normal distribution, approximately type your answer... % of the data falls within two standard deviations of the mean. 7 10 points Credit card debt in the United States and D.C. is Normally distributed with mean $5938 and standard deviation $667. 1. What is the probability that a randomly selected credit card holder has a balance over $7000? 2. What is the probability that 25 randomly selected credit card holders have a mean balance over $7000? Submit your final answers and all work here, including graphs. Must use probability notation for full credit. Drag n' Drop here or Browse 8 7.5 points Briefly describe how each of the following impacts the margin of error in a confidence interval if the quantity below is increased and all other quantities stay the same. 1. Sample size 2. Population standard deviation 3. Confidence level BIUA 4 A 4 = = = x EE 12pt Paragraph fx B -DOO H

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