Question
If $\text{n}\in\text{N},$ then find the value of $\text{i}^\text{n}+\text{i}^{\text{n}+1}+\text{i}^{\text{n}+2}+\text{i}^{\text{n}+3}.$
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| Elementary events: | $W_1$ | $W_2$ | $W_3$ | $W_4$ | $W_5$ | $W_6$ | $W_7$ |
| $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ |