Given an Activity's Optimistic,most Likely,and Pessimistic Time Estimates of 2,10,and

question 74

Multiple Choice

Given an activity's optimistic,most likely,and pessimistic time estimates of 2,10,and 20 days respectively,compute the PERT variance for this activity.

• A)3
• B)6
• C)9
• D)18
• E)None of the above

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Definitions:

Two-way Table

A data organization method that displays frequencies or counts of variables in rows and columns, facilitating the examination of relationships between two categorical variables.

Null Hypothesis

A statistical hypothesis that assumes no effect or no difference between phenomena or populations.

Chi-square Test

A statistical test used to determine the difference between observed and expected frequencies in one or more categories.

Categorical Variables

Variables that represent categories and can take on a limited and usually fixed number of possible values, distinguishing items by non-numeric attributes.