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phy1004 thermal physics

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<strong>phy1004</strong>W<br />

Thermal Physics<br />

IG-10<br />

Practical Example on Probability<br />

Consider the following collection of balls in a box:<br />

5000 red<br />

100 green<br />

3 blue<br />

4 yellow<br />

1. If you reached into the bag (without looking !!),<br />

which colour ball are you most likely to pick up?<br />

2. Can you estimate the likelihood of picking up a:<br />

a) Yellow ball?<br />

b) Green ball?<br />

c) Blue ball?<br />

d) Red ball?<br />

23

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