Question 634695
<pre>
P(2 spades) = {{{"C(13,2)"/"C(52,2)"}}}
P(2 clubs) = {{{"C(13,2)"/"C(52,2)"}}}
P(2 hearts) = {{{"C(13,2)"/"C(52,2)"}}}
P(2 diamonds) = {{{"C(13,2)"/"C(52,2)"}}}

P( 2 spades OR 2 clubs OR 2 hearts OR 2 diamonds) =

P( 2 spades) + P(2 clubs) + P(2 hearts) + P(2 diamonds) =
{{{"C(13,2)"/"C(52,2)"}}} + {{{"C(13,2)"/"C(52,2)"}}} + {{{"C(13,2)"/"C(52,2)"}}} + {{{"C(13,2)"/"C(52,2)"}}} =

4×{{{"C(13,2)"/"C(52,2)"}}} = 4×{{{78/1326}}} = 4×{{{1/17}}} = {{{4/17}}} = 0.2353

Edwin</pre>