=+30. Credit card charges. A credit card company takes a random sample of 100 cardholders to see how much they charged on their card last month. A histogram and boxplot are as follows:

80 60 40 Frequency 20 January 2014 Charges 0 500,000 1,500,000 2,500,000 January 2014 Charges 0 500,000 1,500,000 2,500,000 A computer program found that the 95% confidence interval for the mean amount spent in January 2014 is 1 - +28,366.84, +90,691.492. Explain why the analysts didn’t find the confidence interval useful, and explain what went wrong.