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 −32 −27 −13 −5 P(X = x) 0.22 0.37 0.27 0.14

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 40588
Uploaded: 2023-06-14T22:02:02-08:00
Duration: 2 min 55 s
Channel: Sri K
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 40588

          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
−32
−27
−13
−5
P(X = x)
0.22
0.37
0.27
0.14

Added by Brandi R.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sri K

06/14/2023

Step 1

The mean is given by the formula: µ = Σ [x * P(X = x)] Plugging in the values, we get: µ = (-32 * 0.22) + (-27 * 0.37) + (-13 * 0.27) + (-5 * 0.14) µ = -7.04 - 9.99 - 3.51 - 0.70 µ = -21.24 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 −32 −27 −13 −5 P(X = x) 0.22 0.37 0.27 0.14