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bramar
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 esame 07/07/2011 - de falco

Chi posta le soluzioni?

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mcb
07-07-2011 12:33
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gab217
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Ci vorrebbe il testo, io l'ho consegnato e non molto di brutta
07-07-2011 16:14
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Babbuzzo
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Ecco il tema d'esame.
Per le soluzioni dovrei fare di nuovo gli esercizi perchè non ho fatto la brutta, comunque rispetto agli ultimi due temi d'esame questo mi sembrava molto più fattibile.

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Micky: beh dazza ci pai ma cavalli, sai...[...] porcocul! cicco zisiloi! sei grosso! hey babbuzzi:pazo grosso!
07-07-2011 17:48
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figo1987
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nessuno?
08-07-2011 14:39
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bramar
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Originally posted by figo1987
nessuno?

Iniziamo ... posto i primi esercizi :
ES I
1)m=10
2)E(x)=5,5
ES II
1)
- a)T1 non può assumere valore zero
- b)P(T1=x)=P(1-P)^x-1 *I {1....}(x)
2)
- a)non può assumere valore zero e neppure 1 (minimo due)
- b)P(Z=2) = P(T1+T2)=P(T1)+P(T2)= P(1-P)^1+P(1-P)^1=(P-PP)+(P-PP)=2P-2PP=2P(1-P) [NN SO SE è GIUSTA]
- c)
[FISSANDO] x>2 P(Z=x) ALLORA = P(1-P)^x-1 -->QUA PERò MI hanno detto che sarebbe giusto scrivere -->P(1-P)^x-2
3)FIGURA 2 LA Z E LA FIGURA 3 RAPPRESENTA LA T1

ES. III
0)ho segnato ne reticolo dalla coppia (5,4),(5,5)....(5,10)
1) - a)1
- b)No
- c)Si
sul 2,3,4 penso di aver fatto casino quindi aspetto le soluzioni di altri
5) ho scritto che avevano tutte la stessa possibilità
6)ho scritto che era equo scommettere 5,5 euro

ES. IV [nn so se sono giusti)
1)49135/8837
2)49135/100000 1/n somm Xi

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mcb
08-07-2011 19:06
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figo1987
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ma dove usciranno i risultati?
08-07-2011 21:37
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figo1987
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Stavo ripensando alla correzione del compito.
Esercizio I 1a
anche io all'esame ho scritto che non può assumere valore 0 ma ripensandoci se T1 è in realtà un VC geometrica puo' assumere 0 per definizione! ma in questo caso dal grafico in figura 3 si può capire che in 0 la probabilità è 0... chi mi chiarisce le idee?
09-07-2011 15:24
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Bomb
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ma, andando a logica, se T1 conta i successi, non possono esserci successi prima della prima prova...
10-07-2011 12:50
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bramar
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Originally posted by Bomb
ma, andando a logica, se T1 conta i successi, non possono esserci successi prima della prima prova...

anche secondo me è così ma....
dove usciranno i risultati?

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mcb
10-07-2011 13:40
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Bomb
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di solito qui:
http://cpsm.dsi.unimi.it/
10-07-2011 13:43
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figo1987
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Originally posted by Bomb
ma, andando a logica, se T1 conta i successi, non possono esserci successi prima della prima prova...

Giusto pero' se il successo è nella prova 0? cmq avete ragione.. ho riguardato tutto ho solo dei dubbi nell'esercizio III 2 come l'avete risolto?
10-07-2011 14:03
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Bomb
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ok, ma le prove partono da 1, non esiste la prova 0
10-07-2011 14:08
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Alessio
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ragazzi scusate la domanda ma durante lo scritto sulla lavagna c'era scritto che i risultati sarebbero usciti tra lunedì e martedì mentre l'orale sarebbe stato mercoledì giusto?
10-07-2011 14:19
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figo1987
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si... c'era scritto risultati martedi' e orale mercoledì
10-07-2011 14:24
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bramar
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grazie..... ma nessuno ha fatto i punti III.2.3.4?????

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mcb
10-07-2011 20:17
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