im a little stuck and need help on this

Reler to the Kpbit sample points and sacnple point probablities in the following tables. remilation Rokult s for 40 kDhat Proiects Probability Assignments for the KPEL. Project (a) The design stage (stage d) wil run over budget if a takes 4 months to complete. List the sample points in the meme the design stage is over budget. (Eieloct all that apply.) (2,6)(3,6)4,6)(2,7)(3,7)B(4,7(2,6)(3,8)(4,8) (b) What is the protiabily that the design stage is over budget? (c) The construction stage (stage 2) will run over tudget if it takes 8 mooths to complete. Ust the sample points in the event the construction stage is over budget. (5elect all that apply.) (2,6)(3,6)(4,6)[(2,7)[(3,7)[(4,7)(2,8)b(3,8)4,8) (d) What is the protubility that the constriction stage is aver budget