Mathematics
Grade 8
15 min
Make predictions
Make predictions
Tutorial Preview
1
A spinner has 4 equal sections (R, B, G, Y). If you spin it 80 times, predict how many times it will land on blue.
2
In 20 pulls from a marble bag, you get 6 red ones. If you pull 100 times, how many red marbles do you predict?
3
A survey of 40 students finds 10 prefer soccer. If the school has 400 students, predict how many prefer soccer.
Sample Practice Questions
Easy
A fair coin is flipped 50 times. How many times would you predict it lands on heads?
0.20
1.25
2.30
3.50
Easy
A fair six-sided die is rolled 60 times. How many times do you predict it will land on the number 6?
0.6
1.10
2.12
3.60
Easy
A spinner landed on blue 4 times in 10 spins. Based on this, how many times would you expect it to land on blue in 50 spins?
0.10
1.15
2.20
3.40
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