Answer
$=\frac{2169}{2379}\approx0.912$
Work Step by Step
We know that $probability=\frac{\text{number of favorable outcomes}}{\text{number of all outcomes}}$
The number of all outcomes is $2379$. (people at least 75)
The number of good outcomes is $2169$ (males at least 75)
Thus probability$=\frac{2169}{2379}\approx0.912$