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Slack of Event i or j Formula

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Slack of an Event in a network is the difference between the latest event time and the earliest event time at its terminal point or node. Check FAQs

S = TL j - TE j

S - Slack of an Event?TL^j - LOT of Event j?TE^j - Earliest Occurrence Time of j?

Slack of Event i or j Example

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Here is how the Slack of Event i or j equation looks like with Values.

Here is how the Slack of Event i or j equation looks like with Units.

Here is how the Slack of Event i or j equation looks like.

6 = 30 - 24

6d = 30d - 24d

6 = 30 - 24

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Slack of Event i or j Solution

Follow our step by step solution on how to calculate Slack of Event i or j?

FIRST Step Consider the formula

S = TL j - TE j

Next Step Substitute values of Variables

∴

S = 30d - 24d

Next Step Prepare to Evaluate

∴

S = 30 - 24

Next Step Evaluate

∴

S = 518400s

LAST Step Convert to Output's Unit

∴

S = 6d

Slack of Event i or j Formula Elements

Variables

Slack of an Event

Slack of an Event in a network is the difference between the latest event time and the earliest event time at its terminal point or node.

Symbol: S

Measurement: TimeUnit: d

Note: Value should be greater than 0.

Formulas to find Slack of an Event

LOT of Event j

LOT of Event j is the least allowable occurrence time of event j.

Symbol: TL^j

Measurement: TimeUnit: d

Note: Value can be positive or negative.

Formulas to find LOT of Event j

Earliest Occurrence Time of j

The Earliest Occurrence Time of j is the earliest expected occurrence of event j when we consider activity i-j.

Symbol: TE^j

Measurement: TimeUnit: d

Note: Value should be greater than 0.

Formulas to find Earliest Occurrence Time of j

Other formulas in Project Evaluation and Review Technique category

Go Mean or Expected Time

t e = \frac{t 0 + (4 \cdot t m) + t p}{6}

Go Optimistic Time given Expected Time

t 0 = (6 \cdot t e) - (4 \cdot t m) - t p

Go Pessimistic Time given Expected Time

t p = 6 \cdot t e - t 0 - 4 \cdot t m

Go Most Likely Time given Expected Time

t m = \frac{6 \cdot t e - t 0 - t p}{4}

How to Evaluate Slack of Event i or j?

Slack of Event i or j evaluator uses Slack of an Event = LOT of Event j-Earliest Occurrence Time of j to evaluate the Slack of an Event, The Slack of Event i or j formula is defined as the difference between least allowable time and earliest expected time of the event. It could be used for both events, say, i or j. Slack of an Event is denoted by S symbol.

How to evaluate Slack of Event i or j using this online evaluator? To use this online evaluator for Slack of Event i or j, enter LOT of Event j (TL^j) & Earliest Occurrence Time of j (TE^j) and hit the calculate button.

FAQs on Slack of Event i or j

What is the formula to find Slack of Event i or j?

The formula of Slack of Event i or j is expressed as Slack of an Event = LOT of Event j-Earliest Occurrence Time of j. Here is an example- 6.9E-5 = 2592000-2073600.

How to calculate Slack of Event i or j?

With LOT of Event j (TL^j) & Earliest Occurrence Time of j (TE^j) we can find Slack of Event i or j using the formula - Slack of an Event = LOT of Event j-Earliest Occurrence Time of j.

Can the Slack of Event i or j be negative?

No, the Slack of Event i or j, measured in Time cannot be negative.

Which unit is used to measure Slack of Event i or j?

Slack of Event i or j is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Slack of Event i or j can be measured.

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Slack of Event i or j Formula

Slack of Event i or j Example

Slack of Event i or j Solution

Slack of Event i or j Formula Elements

Other formulas in Project Evaluation and Review Technique category

How to Evaluate Slack of Event i or j?

FAQs on Slack of Event i or j

Variable Name