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1. Your company has created a new software tool. The tool is rated on a four point scale (1: very bad, 4=very good) on your

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1. Your company has created a new software tool. The tool is rated on a four point scale (1: very bad, 4=very good) on your website. The ratings are presented below. Find the expected value (mean), variance, standard deviation for the ratings of your widget. W'hat percent of individuals rated yo ur product as 3 or below? (30 points)

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