
Probabilità
Authored by Silvio Cilloco
Mathematics
11th Grade
Used 9+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un libro di 600 pagine ha 30 pagine con illustrazioni.Calcola la probabilità che hai, aprendo il libro,di trovare una pagina senza figure.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcolare la probabilità che esca una sola testa lanciando due volte una moneta.
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcolare la probabilità che lanciando 3 monete:
Pa – escano due teste
Pb – non esca nessuna testa
Pc – esca una sola testa
pd – escano tre teste
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In un’urna ci sono 3 palline bianche e 2 nere. Calcolare la probabilità che in due estrazioni
(reintroducendo la pallina estratta, prima di estrarre la seconda pallina ):
A - escano due palline nere *
B - escano due palline bianche +
C - due palline di diverso colore -
(reintroducendo la pallina estratta, prima di estrarre la seconda pallina ):
A - escano due palline nere *
B - escano due palline bianche +
In un’urna ci sono 3 palline bianche e 2 nere. Calcolare la probabilità che in due estrazioni
(reintroducendo la pallina estratta, prima di estrarre la seconda pallina ):
A - escano due palline nere *
B - escano due palline bianche +
A= 4/25; B=9/25; C=6/25
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gianni può scegliere calzini blu o neri, pantaloni marroni o neri, maglietta blu, verde o rossa. In quanti diversi modi può vestirsi?
7
35
210
12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanti possibili eventi ci sono quando vengono lanciati un dado e una moneta?
2
6
12
8
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In una scatola ci sono 5 biglie viola, 3 verdi e 2 gialle. Ne vengono pescate due senza reimbussolarle. Qual è la probabilità che siano entrambe viola?
2/9
1/3
1/2
1/4
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