Consider the Network Described in the Table Below

question 71

Essay

Consider the network described in the table below.
(a) Calculate the expected duration of each activity.
(b) Calculate the expected duration and variance of the critical path.
(c) Calculate the probability that the project will be completed in more than 28 weeks time units.

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Definitions:

Nerve Impulse

An electrical signal that travels along the nerve fiber, enabling communication between neurons or between neurons and muscles.

Intracellular Enzymes

Enzymes that operate within cells, facilitating biochemical reactions necessary for cellular metabolism and processes.

Vitamin D

Fat-soluble vitamin produced from precursor molecules in skin exposed to ultraviolet light; increases calcium and phosphate uptake from the intestines.

Osmoreceptor Cells

Cells that detect changes in the osmotic pressure of the body fluids, contributing to the regulation of the body's water balance.