If the Time Estimates for an Activity Are A=10,m=12 and B=20,the

question 13

Multiple Choice

If the time estimates for an activity are a=10,m=12 and b=20,the variance according to a beta distribution is

• A)1.33
• B)1.67
• C)2.79
• D)3.05

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Definitions:

Population Means

The average of a set of characteristics, quantities, or values for an entire population.

Numerator

The top part of a fraction which indicates how many parts of the whole are being considered.

Denominator

The denominator of a fraction, indicating the total count of equal segments that compose the entirety.

Degrees of Freedom

The number of independent values in a statistical calculation that can vary without violating any constraints.