QUESTIONS 12 THROUGH 15 REFER TO THE DIAGRAM IN FIGURE 2 AND THE TABLE...

13. It is desirable to make an estimate that has a greater than 95% chance

of being correct. Which of the following ranges of time for the comple-

tion of the project best describes this probability of being correct?

a. 33.31 to 31.36

b. 34.28 to 30.39

c. 14.39 to 33.48

d. 35.25 to 29.42