Compute the mean and standard deviation of the random variable with the given discrete probability distribution. \begin{tabular}{r|r} $x$ & $P(x)$ \\ \hline -6 & 0.17 \\ -2 & 0.07 \\ 2 & 0.24 \\ 4 & 0.28 \\ 6 & 0.24 \\ \end{tabular} Send data to Excel Part 1 of 2 (a) Find the mean. Round the answer to three decimal places, if necessary. The mean is Part 2 of 2 (b) Find the standard deviation. Round the answer to three decimal places, if necessary. The standard deviation is
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Step 1
To calculate the mean, we need to find the sum of all the values and divide it by the total number of values. Given values: 6, 110, -2, 0.07, 2, 0.24, 0.28, 6, 0.24 Sum of values = 6 + 110 + (-2) + 0.07 + 2 + 0.24 + 0.28 + 6 + 0.24 = 123.85 Total number of Show more…
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