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In PERT analysis the time estimates of activities and probability of their occurrence follow-
- a)Normal distribution curve
- b)Poisson's distribution curve
- c)Beta distribution curve
- d)Binomial distribution curve
Correct answer is option 'C'. Can you explain this answer?
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In PERT analysis the time estimates of activities and probability of t...
In PERT analysis the time estimates of activities and probability of their occurrence follow Beta distribution curve.
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In PERT analysis the time estimates of activities and probability of t...
PERT analysis is a project management tool used to estimate the time required to complete a project. It stands for Program Evaluation and Review Technique. PERT analysis involves breaking down a project into smaller, more manageable tasks, and then estimating the time required to complete each task. The time estimates of activities and the probability of their occurrence follow a beta distribution curve.
Beta Distribution Curve:
The beta distribution is a probability distribution that is used to model the uncertainty associated with estimating the probability of an event occurring. In PERT analysis, the beta distribution is used to estimate the time required to complete each task in a project. The beta distribution is a continuous probability distribution that is defined on the interval [0,1].
The beta distribution is characterized by two parameters, alpha and beta, which represent the shape of the distribution. These parameters are derived from the time estimates of activities and the probability of their occurrence. The time estimates of activities are the most likely time, the optimistic time, and the pessimistic time. The most likely time is the time required to complete the task under normal conditions. The optimistic time is the best-case scenario, and the pessimistic time is the worst-case scenario.
Once the time estimates of activities have been determined, the probability of their occurrence is estimated. This probability is used to calculate the alpha and beta parameters of the beta distribution. The alpha and beta parameters are then used to calculate the mean and variance of the distribution. The mean of the distribution is the expected time to complete the task, and the variance of the distribution is a measure of the uncertainty associated with the estimate.
Conclusion:
In conclusion, the time estimates of activities and probability of their occurrence follow the beta distribution curve in PERT analysis. The beta distribution is used to estimate the time required to complete each task in a project and is characterized by two parameters, alpha and beta. The alpha and beta parameters are derived from the time estimates of activities and the probability of their occurrence.
Beta Distribution Curve:
The beta distribution is a probability distribution that is used to model the uncertainty associated with estimating the probability of an event occurring. In PERT analysis, the beta distribution is used to estimate the time required to complete each task in a project. The beta distribution is a continuous probability distribution that is defined on the interval [0,1].
The beta distribution is characterized by two parameters, alpha and beta, which represent the shape of the distribution. These parameters are derived from the time estimates of activities and the probability of their occurrence. The time estimates of activities are the most likely time, the optimistic time, and the pessimistic time. The most likely time is the time required to complete the task under normal conditions. The optimistic time is the best-case scenario, and the pessimistic time is the worst-case scenario.
Once the time estimates of activities have been determined, the probability of their occurrence is estimated. This probability is used to calculate the alpha and beta parameters of the beta distribution. The alpha and beta parameters are then used to calculate the mean and variance of the distribution. The mean of the distribution is the expected time to complete the task, and the variance of the distribution is a measure of the uncertainty associated with the estimate.
Conclusion:
In conclusion, the time estimates of activities and probability of their occurrence follow the beta distribution curve in PERT analysis. The beta distribution is used to estimate the time required to complete each task in a project and is characterized by two parameters, alpha and beta. The alpha and beta parameters are derived from the time estimates of activities and the probability of their occurrence.
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In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer?
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In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer?.
In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In PERT analysis the time estimates of activities and probability of their occurrence follow-a)Normal distribution curveb)Poissons distribution curvec)Beta distribution curved)Binomial distribution curveCorrect answer is option 'C'. Can you explain this answer?.
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