A project network is shown below.Use a forward and a backward pass to determine the critical path,and then fill out the table below.Activity times are in weeks.
Now assume that the times listed are only the expected times instead of being fixed times.Is the probability of being finished in more than 28 weeks more or less than 50%?
Definitions:
Bias
A systematic error or deviation from true results or values, caused by factors that skew the data in a certain direction.
Sampling
The process of selecting a subset of individuals from a population to estimate characteristics of the whole population.
Stratified Random Sampling
A method of sampling from a population where the population is divided into distinct subgroups and samples are drawn from each subgroup.
Simple Random Sampling
A sampling method where each member of the population has an equal chance of being selected, ensuring the sample's representativeness.
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