The Formula for the Variance of the Duration of an Activity

question 8

Multiple Choice

The formula for the variance of the duration of an activity is ______.

• A)the square root of [1/6(b - a)]
• B)[1/6(a - b)] raised to the power of 2
• C)[1/6(b - a)] raised to the power of 2
• D)the square root of [1/6(a - b)]