What is the definition of an irrational number? A.
a number that cannot be expressed as a fraction, , where p and q are integers and q is not equal to zero

B.
a negative number

C.
a number that can be written as a fraction but not as a decimal

D.
a number that can be expressed as a fraction, , where p and q are integers and q is not equal to zero

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?