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.) x -23 -17 -9 -3 P(X = x) 0.50 0.25 0.15 0.10 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.)

x -23 -17 -9 -3
P(X = x) 0.50 0.25 0.15 0.10

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.)

x -23 -17 -9 -3
P(X = x) 0.50 0.25 0.15 0.10

Mean
Variance
Standard deviation

Added by Tyler W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sanchit Jain

05/13/2023

Step 1

50), -17 (0.25), -9 (0.15), -3 (0.10) Mean (μ) = (-23 * 0.50) + (-17 * 0.25) + (-9 * 0.15) + (-3 * 0.10) Mean (μ) = -11.5 - 4.25 - 1.35 - 0.30 Mean (μ) = -17.4 Show more…

Show all steps

Thanks for your feedback!

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.)