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 -36 -22 -10 -7 P(X = x) 0.33 0.33 0.24 0.10

Name: 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 calculati 98205
Uploaded: 2023-03-12T03:10:52-08:00
Duration: 2 min 17 s
Channel: Joanna Quigley
Description: 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 calculati 98205

          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
-36
-22
-10
-7
P(X = x)
0.33
0.33
0.24
0.10

Added by Jason H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Joanna Quigley

03/12/2023

Step 1

The mean is given by the formula: µ = Σ [x * P(X = x)] So, we have: µ = (-36 * 0.33) + (-22 * 0.33) + (-10 * 0.24) + (-7 * 0.10) µ = -11.88 - 7.26 - 2.4 - 0.7 µ = -22.24 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 -36 -22 -10 -7 P(X = x) 0.33 0.33 0.24 0.10