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Mathematics, 10.03.2021 20:00 QuarkyFermion
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A soft-ball play area has thousands of coloured balls.
They are blue, red, yellow and green.
Esther picks 100 balls at random.
The table shows some of her results.
Blue
Red
Yellow
Green
32
20
Frequency
Relative Frequency
0.1
a) Complete the table.
b) If she picks another 250 balls at random,
how many red balls should she expect?​
Answers: 2
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