When Using the Beta Probability Distribution to Estimate Activity Times

question 33

Multiple Choice

When using the beta probability distribution to estimate activity times, which of the following statements is TRUE?

• A) The use of most optimistic, most likely, and most pessimistic times for an activity will result in a determination of the expected times for that activity.
• B) The beta distribution is used as a way of approximating a normal probability distribution for time estimates.
• C) The larger the difference between most pessimistic time and most optimistic time for an activity, the smaller the variance of that time estimate.
• D) The project manager is usually the only person involved in making time estimates, since obtaining estimates from workers involved in the activities would result in inconsistent estimates.

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Definitions:

Shneidman

A psychologist known for his work in the field of suicidology and for developing theories on the psychological aspects of suicide.

Indirect Role

A function or influence that is not directly involved in the execution of a process but affects the outcome in a more removed or secondary manner.

Elderly

Refers to individuals who are significantly beyond the average age of retirement, typically past the age of 65.

Suicide Rate

The frequency of suicides in a given population over a specified period of time, often expressed per 100,000 individuals per year.