Specifying optimistic pessimistic and most likely or mold times are sufficient to generate the beta distribution describing completion times that tablet opens with Values optimistic equal to two weeks, pessimistic equals $11$ weeks and mowed equals four weeks drag the movie line inside the distribution to see how this she changes as expectations about the most likely outcomes change drag zero and the current optimistic value to change the optimistic value dragon either direction of beyond the upper end to change the pessimistic value