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Question 18

A bag contains counters of four different colours: Red, Blue, Green and Yellow.

The table shows the probabilities of picking a Red, Blue or Green counter.

ColourRedBlueGreenYellow
Probability0.120.380.2
a.

Complete the table.

[2]
b.

Sarah picks a counter from the bag 200 times, replacing it each time.

Work out an estimate for the number of times she picks a Blue counter.

[2]

Probability Questions

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