Refer to the Table Below to Answer the Question(s) That

question 72

Short Answer

Refer to the table below to answer the question(s) that follow:
$~~~~~~~~~~~~~~~~~~~~~~~~~Activity~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Times~ (weeks)\\\begin{array}{c}\text { Activity } & \text { Predecessor } & \text { Optimistic } & \text { Most Likely } & \text { Pessimi } \\\hline \text { A } & --- & 9 & 15 & 21 \\\text { B } & --- & 13 & 21 & 23 \\\text { C } & \text { A } & 6 & 9 & 18 \\\text { D } & \text { A } & 23 & 35 & 47 \\\text { E } & \text { B } & 19 & 26 & 27 \\\text { F } & \text { C } & 23 & 29 & 41 \\\text { G } & \text { D,E } & 14 & 20 & 26 \\\text { H } & \text { F,G } & 2 & 5 & 8\end{array}$
-Within what amount of time (in weeks) is there a 90% probability that the critical path for this project will be completed?

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Definitions:

Contingency Tables

A type of table in a matrix format that displays the frequency distribution of the variables, useful in statistics to analyze the relationship between two or more categorical variables.

Independence

A concept in probability and statistics where two events are said to be independent if the occurrence of one does not affect the probability of occurrence of the other.

Television Dramas

A genre of narrative fiction intended to be more serious than humorous in tone, focusing on in-depth development of realistic characters who must deal with realistic emotional struggles, often aired on television.

Degrees of Freedom

The number of independent values or quantities that can vary in the analysis of data without violating any constraints.