You Have Just Used the Network Planning Model for a County

question 52

Multiple Choice

You have just used the network planning model for a county road resurfacing project and found the critical path length is 40 days and the standard deviation of the critical path is 10 days. Suppose you want to pick a time (in days) within which you will complete the project with 90% confidence level. What should be that time (in days and round to the nearest whole number) ?

• A) 40
• B) 13
• C) 37
• D) 29
• E) 53

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Definitions:

Colors

Visual properties perceived by the eye and brain due to the way an object reflects or emits light, often evoking psychological and emotional responses.

Signal Detection Theory

A theoretical framework used to understand how decision makers differentiate between important stimuli in the presence of noise, focusing on the ability to correctly identify signals.

Absolute Threshold

The absolute threshold is the minimum intensity of stimulus that an individual can detect at least 50% of the time.

Just Noticeable Difference

The minimum level of stimulus intensity change needed to detect a difference between two stimuli.