
Test pe probabilitate
Authored by Dumitrița Cojocari
Mathematics
12th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Într-o urnă sunt 7 bile albe, 3 bile roșii și 10 bile negre. Dacă se extrage la întâmplare o bilă, care este probabilitatea ca aceasta să fie neagră?
1
1/10
1/2
2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zarurile sunt aruncate. Găsiți probabilitatea de a fi cel puțin 5 puncte
0,333
0,666
1
3,5
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Un zar se aruncă de 7 ori. Determinați probabilitatea că fața cu 3 puncte va apărea de 2 ori
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Exercițiu la atenție! Scrie răspunsul corect!
24/125
36/125
54/125
132/125
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dintre cei 50 pepeni verzi, pe care îi vinde la piață un bărbat, 40 sunt copți. Care este probabilitatea că, cumpărând de la acest vânzător 2 pepeni, aceștia să fie copți?
150/126
245/156
156/245
3/2
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