Internet Purchases Thirty-three percent of adult Internet users have purchased products or services online. For a random sample of 160 adult Internet users, find the mean, variance, and standard deviation for the number who have purchased goods or services online. Round your answers to at least one decimal place. Round your intermediate calculations to at least three decimal places. Part: 0 / 2 Part 1 of 2 (a) Find the mean. Part: 1 / 2 Part 2 of 2 Mean: μ= (b) Find the variance and standard deviation. Variance: = Standard deviation: 6= olo

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