Question
Write down the all possible proper subset of the given set.
{1}.
{1}.
Hence, there are no proper subsets.
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| Elementary events: | W1 | W2 | W3 | W4 | W5 | W6 | W7 |
| $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ | $\frac{1}{7}$ |