Phoebe BBeebee Is Constructing a Canal for the Annual Canoe Races

question 58

Essay

Phoebe B.Beebee is constructing a canal for the annual canoe races and has identified eleven activities that are required to complete this important project.She calculated early and late start times and early and late finish times but spilled coffee all over her printout.Use the remaining information to reconstruct the table for Phoebe B.Beebee and her new canoe canal.
$\begin{array}{|l|l|l|l|l|l|l|l|}\hline & & & & & \text { Early } & \text { Late } \\\text { Activity } & \text { Predecessor } & \text { Length } & \text { Early Start } & \text { Late Start } & \text { Finish } & \text { Finish } \\\hline\mathrm{A} &&&&&12&\\\hline \mathrm{B} & -- & & & & & & \\\hline \mathrm{B} & \mathrm{A} &20 & & & & & \\\hline \mathrm{D} & \mathrm{B}, \mathrm{E} & & & 42 & & \\\hline \mathrm{E} & \mathrm{C} & & 28 & & & 42 \\\hline \mathrm{F} & \mathrm{E} & & 42 & & 50 & \\\hline \mathrm{G} & \mathrm{D} & & 53 & 53 & & \\\hline \mathrm{H} & \mathrm{G} & & 70 & & & \\\hline \mathrm{I} & \mathrm{G} & & & 72 & & \\\hline \mathrm{T} & \mathrm{F} & 4 & & & & \\\hline \mathrm{K} & \mathrm{H}, \mathrm{I}, \mathrm{J} & & & 81 & & 91 \\\hline\end{array}$

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Definitions:

Replicable

Characteristics of a study or experiment that allow it to be duplicated or repeated by other researchers to verify findings.

Inert Pill

A pill that contains no active ingredients, often used in medical studies as a control to test the effectiveness of treatments.

Statistically Significant

A term indicating that the result of a study or experiment is unlikely to have occurred by chance alone, suggesting a real effect or difference.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation or observation.