Statystyka i prawdopodobieństwo KARTKÓWKA
Quiz
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Medium
Barbara Gawlik
Used 166+ times
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11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Średnia arytmetyczna trzech liczb jest równa 15. Suma dwóch z tych liczb jest równa 20. Trzecią liczbą jest:
25
15
20
45
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Ile wynosi średnia arytmetyczna liczb 53, 48, 26, 34, 54?
53
43
50
215
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Na diagramie przedstawiono oceny z kartkówki otrzymane przez uczniów. Średnia ocen wynosi:
3,96
99
3,5
3
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Jaka była temperatura piekarnika o 10.20?
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Jak długo temperatura malała?
70 min
80 min
2 h 20 min
100 min
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Średnia arytmetyczna czterech ocen cząstkowych Hani z matematyki jest równa 4,5. Oblicz, jaką ocenę powinna teraz otrzymać Hania, aby średnia jej ocen wzrosła do 4,6
5
6
4
4,5
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Rzucamy sześcienną kostką do gry. Jakie jest prawdopodobieństwo, że otrzymamy parzystą liczbę oczek?
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