91. A sampling distribution for sample sizes of 35 has a mean of 100 and a stand
ID: 3062944 • Letter: 9
Question
91. A sampling distribution for sample sizes of 35 has a mean of 100 and a standard error of the mean of 5. What is the likelihood that a sample of 35 taken at random will fall between two standard deviations on either side of the mean of this distribution?
a.) 0.5
b.) 0.34
c.) 0.9
d.) 0.95
92. A project charter does not include_____
a.) schedule
b.) WBS
c.) risk mitigation plan
d.) it includes all of the above
93. Which of the following is used to display a project schedule?
a.) histogram
b.) WBS
c.) grantt chart
d.) pareto diagram
94. Which of the following represents tasks and their relationships to one another as an inverted hierarchical chart?
a.) histogram
b.)WBS
c.) Grant Chart
d.) Pareto Diagram
95. The mean process variation has shifted, but this shift has not been detected by the conntrol chart. This is an example of an alpha or type I error.
True or False
Explanation / Answer
Ans:
91)95% of the data falls within 2 standard deviations of the mean.
option d is correct(0.95)
92)option c is correct(Risk mitigation plan)
Project Charter refers to a statement of objectives in a project. This statement also sets out detailed project goals, roles and responsibilities, identifies the main stakeholders, and the level of authority of a project manager.
93)Option c is correct(Gantt chart)
A Gantt chart is a type of bar chart that illustrates a project schedule. This chart lists the tasks to be performed on the vertical axis, and time intervals on the horizontal axis. The width of the horizontal bars in the graph show the duration of each activity.
94)Option b is correct (WBS)
A work breakdown structure (WBS) is a chart in which the critical work elements, called tasks, of a project are illustrated to portray their relationships to each other and to the project as a whole.
95)False(it will type II error)
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