
probabilità
Authored by GILDA Manna
Mathematics
11th Grade
Used 116+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una scatola contiene 12 cioccolatini: 4 sono fondenti e 8 al latte. Tre cioccolatini vengono estratti a caso dalla scatola uno dopo l’altro. Qual è la probabilità P che i tre cioccolatini estratti siano al latte?
8/27
14/55
24/12
21/12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un’urna contiene 10 palline: 6 rosse e 4 bianche. Qual è la probabilità che estraendo due palline dall’urna queste siano rosse?
11/10
5/9
1/3
36/100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcola la probabilità dell’evento E: estrarre una rosa o un fiore rosso da un mazzo di fiori formato da 5 rose rosse, 6 rose gialle, 4 garofani rossi e 4 garofani bianchi.
29/19
11/19
22/19
15/19
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si gettano in aria 2 monete. Qual è la probabilità che diano entrambe testa?
1/2
3/4
1/4
5/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si gettano in aria 2 monete. Qual è la probabilità che si abbia una sola testa?
1/4
1/2
3/4
5/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si gettano in aria 2 monete. Qual è la probabilità che esca almeno una testa?
1/4
1/2
3/4
5/4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una classe è composta da 30 studenti di cui 10
giocano a calcio, 8 a pallavolo e 6 a tennis. Sapendo
che ogni studente pratica un solo sport, determina
la probabilità che uno studente estratto a
caso giochi a calcio o a pallavolo.
3/5
4/25
1/5
1/2
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