Question

Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) egin{tabular}{ |c|c|c|c|c| } hline $x$ & -30 & -22 & -12 & -5 \ $P(X = x)$ & 0.15 & 0.41 & 0.29 & 0.15 \ hline end{tabular} Mean \ Variance \ Standard deviation

          Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.)
egin{tabular}{ |c|c|c|c|c| } hline
$x$ & -30 & -22 & -12 & -5 \
$P(X = x)$ & 0.15 & 0.41 & 0.29 & 0.15 \ hline
end{tabular}
Mean \
Variance \
Standard deviation

Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.)
egintabular |c|c|c|c|c| hline
x -30 -22 -12 -5 P(X = x) 0.15 0.41 0.29 0.15 hline
endtabular
Mean Variance Standard deviation

Added by Dylan G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Pritesh Ranjan

07/31/2022

Step 1

15*(-30) + 0.41*(-22) + 0.29*(-12) + 0.15*(-5) me = -4.5 - 9.02 - 3.48 - 0.75 me = -17.25 ** Show more…

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Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x: -30, -22, -12, -5 P(X = x): 0.15, 0.41, 0.29, 0.15 Mean Variance Standard deviation