Question

please explain hot to get that answer

suit? (i.e 20. What is the probability that a 13-card bridge hand has at least one void in a at least one suit is missing) Use the principle of inclusion-exclusion to solve this problem (4, 1)(39, 13) -- C'(4, 2)C(26, 13) + C (4, 3) (13, 13) C(52, 13) Solution:

Answer 1

Q. Lat E E ,E3 E4 represent Auits heals, Spade s, missing vespectively E Tha Suit heasc is missing i-e. Select all 13 carols 39 cards are clubs and diamonds axe from ather 3 its i-e. emaining PCE CC39,13) c (52,13) PIES) PCE4) PLES) PIE,nE): C(26,13) PCE;nE) whue itj, isi,je4 C(s2,13) PLE,NEDE) (13, 13)PE,nEnE4)- P(ENEDE)-P(EnEDE) C S2, 13) PIE,NE2NE3DE4) 0,t PIEUE,UEUEA)PE -EPIE;nEj)+ P(EnE,nE)-PlenenE DEL) c(4,). C(39,13) C(4,2).c2,13) c(4,3).C, 13) CIS2, 13) c(52, 13) eLs2, 13) cC4,1 C(39, 1a) - cl4,2) c(2, 13) + Cl4,3). cCi3,13) CLS2,13)