Question 807596
<pre>
P({{{(matrix(4,1,They,are,all,spades))}}}OR{{{(matrix(4,1,They,are,all,clubs))}}}OR{{{(matrix(4,1,They,are,all,hearts))}}}OR{{{(matrix(4,1,They,are,all,diamonds))}}}) =

P({{{(matrix(4,1,They,are,all,spades))}}})+P({{{(matrix(4,1,They,are,all,clubs))}}}+P({{{(matrix(4,1,They,are,all,hearts))}}}+P({{{(matrix(4,1,They,are,all,diamonds))}}}) =

{{{"C(13,5)"/"C(52,5)"}}}+{{{"C(13,5)"/"C(52,5)"}}}+{{{"C(13,5)"/"C(52,5)"}}}+{{{"C(13,5)"/"C(52,5)"}}} =

4·{{{"C(13,5)"/"C(52,5)"}}} =

4· {{{1287/2598960}}} = {{{5148/2598960}}} = {{{33/16640}}}

or approximately .0019807923

[Note: this is not the probability of getting a flush, but the
probability of getting a flush OR a straight flush.]

Edwin</pre>