Consider the following data: x 5 6 7 8 9 10 P(X = x) 0.1 0.1 0.2 0.2 0.2 0.2 Step 3 of 5: Find the standard deviation. Round your answer to one decimal place.
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Step 1
To calculate the mean, we multiply each value by its corresponding probability and sum them up. Mean = (5 * 0.1) + (6 * 0.1) + (7 * 0.2) + (8 * 0.2) + (9 * 0.2) + (10 * 0.2) = 0.5 + 0.6 + 1.4 + 1.6 + 1.8 + 2 = 8.9 Show more…
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