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A project's critical path is composed of activities A (variance. 33), B (variance. 67), C (variance. 33), and D (variance. 17). What is the standard deviation on the critical path?

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  1. Today, 01:46
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    standard deviation on the critical path is 1.22

    Explanation:

    Given the four (4) activities below,

    Activities A has Variance (.33)

    Activities B has Variance (.67)

    Activities C has Variance (.33)

    Activities D has Variance (.17)

    Hence,

    Standard Deviation = √sum of variance of activities A, B, C and D

    =√.33+.67+.33+.17

    SD = √1.5

    SD = 1.22
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