## Ashish Bajpai is teaching live on Unacademy Plus

Die A has 4 red and 2 whte faces Where as die B has 2 red and 4anke faces A com is fipbed once Shows a head the game condimues then die B is to be usc d brcba( ility the hen it is die A is used i s iven that ned tursevery time in fiyst throos then find the ralae LetR be the eent that a red a ce

appeans each of the firstn throws E, Die A is used hen heod ha aady fallen E2 Dre B is sed hen tail hau already fallen As pon the qiven Comdi tiam 32

3 32 ( 33 2 3 2 32

for Ai D and C the chances of beimg selected a the maoge of a are nespectively hpecfive probabilitic for them to int Straf Yoduce a radial cha ng manketing the changc doc takes place nd the Probabi lity t due to the appointmendt 4 4

coe want to find the probability that the nadica nats? 9 as occurred dae to the afpointment B

PC 7 23 30 IS

Q A cand from a pack of s cavds s from the remaimirg cards of fhe pack , +o cands ane draon and are found to be hearts. find the obbility of the miss in Card to be a hear = the missin9 card is a heart card = th< missir,9 card is a spade card E3- the missing card is a club card E4the missing card is a diamond card-and Drawing too heart cards from -the nemaming Cond

(El) = 52-4 E13 I 52 pCEq): 13 = PCA E.): Probability of draciny too heart cards iven that ome heant card is missing 12 STl

PREProbability of drauiny to head canda given tha one spade card is missin mSs 2 13

B Bay's Theorem ce hav = Required probability, P(G/A) 262 13 C 2

4. Kite and 6 black balls The Cn urn Contains 5 CJhite andb urns is chosem at random and tco ball s ane draum from it corthout repla cement Both the ball s turn outo be black lack balls Ome of the (m+1) the Pro ba bilidy tho the (n1th ur was chosen to draw th balls s then find the valu e of m

O C2 Osing Baytheorem s theorem SiT E2(A)

Er-arn is Chosen is Chosem and A-to balls draw at random ae ued and black. Simce one of the anns s Chosen a nandom the' efore E has already Chosen The urn A contains 2 hit lack occurred, then an ha been

and 3 red balls thenefore the p robabiity o a ned and a black bais 3 2 9

6 1 2 2 2

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