Question 1123952
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<pre>
There are 4200 males and 5800 females.


The probability that two students from this college, selected at random, are males is  {{{4200/10000}}}.{{{4199/9999}}}.


The probability that two students from this college, selected at random, are females is  {{{5800/10000}}}.{{{5799/9999}}}.


The probability that two students from this college, selected at random, are of the same gender is the sum


    {{{4200/10000}}}.{{{4199/9999}}} + {{{5800/10000}}}.{{{5799/9999}}} = 0.5128 (rounded to 4 decimal places).
</pre>

Solved.