CGad knoNs and tells youthat When the Nationals playHouston +hey areexpectedtoWinROOT0 df the time Close 8CToKnowsIn a World Series aeter 3pendent games what are the octlsindelead-Nationals will being the series 7 CHint DrawProbabilit Tree)3 еvеrts2n theinNats winst aame dgesn't cnange adasgameGame 3own if the+he win and theGameEame1W.2 x.2%2=.00%2x.2x-3W,2SX,20324X.RX.8W4.SX.X.0.513 calco lations eont329O.1asघी3.2To03 2(R.5700. 122 0.1a8312 (51.27oWAY diwnal did h test ale'sd they addthesetsIs this the ans? le3.2%%3. a 7o+3.2700.u90विनी ठ-whatnappenaftu enn12.६०)०2.९०7०ALe$1.a9089.70

Question
Asked Oct 22, 2019
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On the attached paper I need to know why the four numbers from the tree were added to get the answer 10.4% because I will have to do a similar problem one a test

CGad knoNs and tells you
that When the Nationals play
Houston +hey areexpectedto
Win
ROOT0 df the time Close 8CTo
Knows
In a World Series aeter 3
pendent games what are the octls
inde
lead-
Nationals will be
ing the series 7 CHint Draw
Probabilit Tree)
3 еvеrts
2n thein
Nats win
st aame dgesn't cnange adas
game
Game 3
own if the
+he win and the
Game
Eame
1
W.2 x.2%2=.00%
2x.2x-3
W,2SX,2
032
4X.RX.8
W
4
.SX.X.
0.513
help_outline

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CGad knoNs and tells you that When the Nationals play Houston +hey areexpectedto Win ROOT0 df the time Close 8CTo Knows In a World Series aeter 3 pendent games what are the octls inde lead- Nationals will be ing the series 7 CHint Draw Probabilit Tree) 3 еvеrts 2n thein Nats win st aame dgesn't cnange adas game Game 3 own if the +he win and the Game Eame 1 W.2 x.2%2=.00% 2x.2x-3 W,2SX,2 032 4X.RX.8 W 4 .SX.X. 0.513

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calco lations eont
329
O.1as
घी
3.2To
03 2
(R.570
0. 12
2 0.1a8
312 (51.27o
WAY di
wnal did h test ale's
d they addthesets
Is this the ans? le
3.2%%
3. a 7o
+3.270
0.u90
विनी ठ-
what
nappen
aftu enn
12.६०)०
2.९०7०
ALe
$1.a90
89.70
help_outline

Image Transcriptionclose

calco lations eont 329 O.1as घी 3.2To 03 2 (R.570 0. 12 2 0.1a8 312 (51.27o WAY di wnal did h test ale's d they addthesets Is this the ans? le 3.2%% 3. a 7o +3.270 0.u90 विनी ठ- what nappen aftu enn 12.६०)० 2.९०7० ALe $1.a90 89.70

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Expert Answer

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Step 1

Here the question is that why we add those 4 numbers from the tree. And given that P(W) = 0.2 and P(L) = 0.8.

Note:

If A and B are two independent events, then P(A∩B) = 0.

So, P(A∪B) = P(A) + P(B) – P(A∩B)

=>  P(A∪B) = P(A) + P(B). ------(1)

Step 2

Idea:

We will go step by step forming the answer.

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Step 3

Continuing fu...

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