ID Description Predecessor te Variance: $[($b$-$a$)/6]2$

$1$ Pilot Production None $63$

$2$ Select channels of distribution None $74$

$3$ Develop marketing program None $42$

$4$ Test market $142$

$5$ Patent $1105$

$6$ Full production $41610$

$7$ Ad promotion $332$

$8$ Release $2,5,6,721$

Project duration is $28$ periods. Using the information provided, what is the probability of completing the project in $25$ periods?

Group of answer choices

$19\mathrm{.}88\%$

$33\mathrm{.}44\%$

$28\mathrm{.}77\%$

$22\mathrm{.}66\%$