consists of stars β Cap and α2 Cap: star β Cap being of the third magnitude. The goat's hind foot consists of stars ψ Cap and ωCap. Both of these stars
P(A)=\sum _{n}P(A\cap B_{n})=\sum _{n}P(A\mid B_{n})P(B_{n}).} where the events ( B n ) {\displaystyle (B_{n})} form a countable partition of Ω {\displaystyle
This means the sample space Ω must consist of all possible infinite sequences of H {\displaystyle H} or T : {\displaystyle T:} Ω = { H , T } ∞ = { ( x 1