$5\mathrm{.}4$ Reconsider Question $5\mathrm{.}3.$ If this approach is not accurate, would the probability of completion considering the critical path alone be more accurate? How might you estimate the correct probability without resorting to simulation?

$5\mathrm{.}5$ Why do you think most PMs use MSP$\text{'}$s Gantt chart format $($see Figure $5\mathrm{.}20)$ more commonly than the network format?

$5\mathrm{.}6$ Which of the linkages in precedence diagramming do you think is most commonly used? Why?