Question

Asked Mar 20, 2019

36 views

Step 1

**Fundamental rule of counting:**

If one event can occur in *m *different ways and another event can occur in *n *different ways then both the events can occurs in *m × n *different ways.

Step 2

**Computing the number of 4-colour code stripes:**

There are four colours green, red, blue and white. It is given that the code consists of four colours. All colours can be used only once. The first colour can be selected in 4 different ways, the second colour...

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