If a Project Is Expected to Be Completed in 68

question 13

Multiple Choice

If a project is expected to be completed in 68 days with a project variance of 9 days,what is the probability that the project will be completed within 90 days?

• A)85%
• B)90%
• C)95%
• D)100%

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Definitions:

Population Means

The average of a set of measurements, scores, or values for the entire population.

Pooled Variance

An estimate of the common variance of two or more groups that is weighted by the degrees of freedom of each group.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used to quantify the accuracy of a sample mean.

Independent Samples

Samples from different populations in which the selection of one sample does not influence or affect the selection of the other sample.