When Using the Beta Distribution for Estimating Activity Times

question 91

Multiple Choice

When using the beta distribution for estimating activity times:

• A) an advantage is that the mode of the distribution is always equidistant from the end points of the distribution.
• B) the most likely time estimate can be positioned anywhere between the optimistic and pessimistic time estimates.
• C) we assume that the standard deviation is one-third the range between the optimistic and pessimistic time estimates.
• D) the most likely time estimate becomes the mean of the distribution.

---

Definitions:

Reaction Range

Potential variability, depending on environmental conditions, in the expression of a hereditary trait.

Environmental Factors

External elements, including social, cultural, and physical conditions, that affect individuals' development and behavior.

Canalized Trait

A genetic term for a trait that is buffered against environmental variation and thus exhibits limited phenotypic variation across different environments.

Language Development

The way in which kids acquire the ability to understand and verbalize language during their early childhood.