Question: A study produced the following probability distribution for the number of items people buy using the Express lane at a grocery store. Find the mean

A study produced the following probability distribution for the number of items people buy using the Express lane at a grocery store. Find the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. Round the mean and standard deviation to two decimal places. " Number of Items Purchased (x):" P(x) 0 0.15 1 0.03 2 0.16 3 0.015 4 0.06 5 0.02 6 0.2 7 0.015 8 0.02 9 0.15 10 0.18

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