How many paths does the project have? $2345$ QUESTION $10$ Chapter $17,$ problem $7.$ What is the probability that the project can be completed in $23$ days or less?

$[0\mathrm{.}3557$; $0\mathrm{.}6736$; $0\mathrm{.}8568$; $0\mathrm{.}9686]$

QUESTION $11$ Chapter $17,$ problem $7.$ Suppose it is now the end of the seventh day and that activities A and B have been completed, while activity D is $50$ percent completed. Time estimates for the completion of activity D are $5,6,$ and $7.$ Activities C and H are ready to begin. What is the probability of finishing the project by day $23?0\mathrm{.}64330\mathrm{.}31290\mathrm{.}05820\mathrm{.}0186$