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## Credits

NSS College of Engineering (NSSCE), Palakkad
Chandana P Dev has created this Calculator and 400+ more calculators!
Coorg Institute of Technology (CIT), Coorg
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## Expected Time when Probability Factor is Known Solution

STEP 0: Pre-Calculation Summary
Formula Used
mean_time = Scheduled time-(Standard Deviation*Probability factor)
te = Ts-(σ*Z)
This formula uses 3 Variables
Variables Used
Scheduled time - Scheduled time is the time which is made as per the experience and practice by the creator of project. (Measured in Day)
Standard Deviation- The Standard Deviation is a measure of how spread out numbers are.
Probability factor- Probability factor is a term used to find the probability of a project to get completed in expected time.
STEP 1: Convert Input(s) to Base Unit
Scheduled time: 20 Day --> 1728000 Second (Check conversion here)
Standard Deviation: 40.83 --> No Conversion Required
Probability factor: 0.3 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
te = Ts-(σ*Z) --> 1728000-(40.83*0.3)
Evaluating ... ...
te = 1727987.751
STEP 3: Convert Result to Output's Unit
1727987.751 Second -->19.9998582291667 Day (Check conversion here)
FINAL ANSWER
19.9998582291667 Day <-- Mean time
(Calculation completed in 00.016 seconds)

## < 11 Other formulas that you can solve using the same Inputs

Pooled sample standard deviation
pooled_sample_standard_deviation = sqrt(((sample size 1-1)*(Standard Deviation^2))+((Sample size 2-1)*(Standard Deviation^2)))/(sample size 1+Sample size 2-2) Go
Chi_square statistics
chi_square_statics = sqrt((sample size 1-1)*Standard Deviation^2)/Standard deviation 2 Go
Standard normal variation
standard_normal_variation = (Normal variate-Expected value)/Standard Deviation Go
Standard error
residual_standard_error = Standard Deviation/sqrt(Number of samples) Go
Standard deviation of mean
standard_deviation_of_mean = Standard Deviation/sqrt(sample size 1) Go
Standard score
z_score = (value of n-Mean of data)/Standard Deviation Go
Z-Score
z_score = (Value of A-Mean of data)/Standard Deviation Go
Mean Using Z-Score
mean_of_data = Value of A-Z-score*Standard Deviation Go
Mean Using Coefficient Of Variation
mean_of_data = Standard Deviation/Coefficient of variation Go
Sample Coefficient Of Variation
coefficient_of_variation = Standard Deviation/Mean of data Go
Variance Of Data
variance = (Standard Deviation)^2 Go

## < 1 Other formulas that calculate the same Output

Mean or Expected Time
mean_time = (Optimistic time+(4*Most likely time)+Pessimistic time)/6 Go

### Expected Time when Probability Factor is Known Formula

mean_time = Scheduled time-(Standard Deviation*Probability factor)
te = Ts-(σ*Z)

## What is Probability of Occurrence of an Event?

The probability of a project to complete at expected time is 50% and this probability increases or decreases according to the increase or decrease on scheduled time. Since the probability distribution of the entire project is in normal distribution, the probability can be determined using probability factor. If the factor is 0, probability of completing project at expected time is 50%

## How to Calculate Expected Time when Probability Factor is Known?

Expected Time when Probability Factor is Known calculator uses mean_time = Scheduled time-(Standard Deviation*Probability factor) to calculate the Mean time, The Expected Time when Probability Factor is Known is the mean time for the completion of an event. if the factor is 0, then scheduled time = expected time and hence probability is 50%. Mean time and is denoted by te symbol.

How to calculate Expected Time when Probability Factor is Known using this online calculator? To use this online calculator for Expected Time when Probability Factor is Known, enter Scheduled time (Ts), Standard Deviation (σ) and Probability factor (Z) and hit the calculate button. Here is how the Expected Time when Probability Factor is Known calculation can be explained with given input values -> 19.99986 = 1728000-(40.83*0.3).

### FAQ

What is Expected Time when Probability Factor is Known?
The Expected Time when Probability Factor is Known is the mean time for the completion of an event. if the factor is 0, then scheduled time = expected time and hence probability is 50% and is represented as te = Ts-(σ*Z) or mean_time = Scheduled time-(Standard Deviation*Probability factor). Scheduled time is the time which is made as per the experience and practice by the creator of project, The Standard Deviation is a measure of how spread out numbers are and Probability factor is a term used to find the probability of a project to get completed in expected time.
How to calculate Expected Time when Probability Factor is Known?
The Expected Time when Probability Factor is Known is the mean time for the completion of an event. if the factor is 0, then scheduled time = expected time and hence probability is 50% is calculated using mean_time = Scheduled time-(Standard Deviation*Probability factor). To calculate Expected Time when Probability Factor is Known, you need Scheduled time (Ts), Standard Deviation (σ) and Probability factor (Z). With our tool, you need to enter the respective value for Scheduled time, Standard Deviation and Probability factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Mean time?
In this formula, Mean time uses Scheduled time, Standard Deviation and Probability factor. We can use 1 other way(s) to calculate the same, which is/are as follows -
• mean_time = (Optimistic time+(4*Most likely time)+Pessimistic time)/6 Let Others Know
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