Use the sample data in Example #1 (picture) and a technology tool to construct 75%, 85%, and 99% confidence intervals for the mean number of friends for all users of the website. How does the width of the confidence interval change as the level of confidence increases? a. Enter the data. b. Use the appropriate command to construct each confidence interval. c. Compare the widths of the confidence intervals for c = 0.75, 0.85, and 0.99.

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