Question 1202705
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A single card is selected from a deck. find the probability that it is {{{highlight(highlight(a))}}} king or a red card.
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<pre>
The number of all possible outcomes is 52 (= the number of cards in a standard card deck).

The number of all possible favorable outcomes is  {{{(52/2) + 2}}} = 26 + 2 = 28.

    +----------------------------------------------------------------+
    |    Here the addend  52/2 = 26 represents 26 red cards;         |
    |         the addend     2      represents 2 (two) black kings.  |
    +----------------------------------------------------------------+


The answer to the problem's question is this ratio

    P = {{{favorable/total}}} = {{{28/52}}} = {{{7/13}}}.
</pre>

Solved.