Mae ceiniog yn cael ei daflu 100 gwaith.
Sawl gwaith fyddech chi'n disgwyl cael pen (heads)?
Nifer Disgwyliedig TGAU (+ datrys problem)
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
T Wood
Used 6+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mae ceiniog yn cael ei daflu 100 gwaith.
Sawl gwaith fyddech chi'n disgwyl cael pen (heads)?
25
50
75
100
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Beth yw'r fformiwla ar gyfer nifer disgwyliedig?
Tebygolrwydd x nifer o dreialon
Tebygolrwydd ÷ nifer o dreialon
Nifer o dreialon ÷ tebygolrwydd
1 - tebygolrwydd
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Os rydych chi'n taflu dis teg 180 gwaith, sawl gwaith byddech chi'n disgwyl cael 5?
30
20
25
50
45
Answer explanation
Tebygolrwydd o gael 5 yw 1/6
1/6 o 180 = 30
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Os rydych chi'n dewis pêl ar hap o'r jar yma (a rhoi e'n ôl) 200 gwaith, sawl gwaith byddech chi'n disgwyl dewis pêl goch?
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Os ydw i'n dewis rhan o'r troellwr yma ar hap 60 gwaith, sawl gwaith dylwn i ddisgwyl cael '3'?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mae ceiniog yn cael ei daflu 100 gwaith.
Y nifer disgwyliedig o ganlyniadau pen (heads) yw 50. Ydy hyn yn golygu bydd yna union 50 pen pob tro?
Ydy
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