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The Tablet Unearthed by the Archaeologist Revealed an Ancient Culture's

question 45

Multiple Choice

The tablet unearthed by the archaeologist revealed an ancient culture's project plan. However, the sands of time had erased much of the information that the table once contained. Use this fragmentary record to unlock the ancient project's secrets and answer the following question(s) .
 Activity  Predecessors  Time  ES  EF  LS  LF  A 712 B 8 C  A 1320 D  A 1112 E  B 1417 F  B 11 G  D, E 6 H  C 20 K  F 29 L G,H,K9\begin{array} { | c | c | c | c | c | c | c | } \hline \text { Activity } & \text { Predecessors } & \text { Time } & \text { ES } & \text { EF } & \text { LS } & \text { LF } \\\hline \text { A } & \cdots & 7 & & & & 12 \\\hline \text { B } & \cdots & 8 & & & & \\\hline \text { C } & \text { A } & & & & 13 & 20 \\\hline \text { D } & \text { A } & 11 & & & 12 & \\\hline \text { E } & \text { B } & & & 14 & 17 & \\\hline \text { F } & \text { B } & 11 & & & & \\\hline \text { G } & \text { D, E } & 6 & & & & \\\hline \text { H } & \text { C } & & & & 20 & \\\hline \text { K } & \text { F } & & & 29 & & \\\hline \text { L } & G , H , K & 9 & & & & \\\hline\end{array}
-Refer to the scenario above. The project's duration is:


Definitions:

Mean

The arithmetic average of a data set, obtained by adding all the numbers and dividing by the count of numbers.

Normal Random Variable

A variable whose occurrences are distributed according to the normal distribution.

Percentile

A value on a scale of 100 that indicates the percentage of a distribution that is equal to or below it.

Standard Deviation

A quantification of how spread out or dispersed the values in a collection are, measuring the deviation of data points from their average.

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