A father and a son appear in an interview for two vacancies for the same post. The probability of father’s selection is \(\left( {\frac{1}{7}} \right)\) and that of the son’s selection is \(\frac{1}{5}\). What is the probability that only one will be selected?
1
\(\frac{2}{7}\)
2
\(\frac{1}{8}\)
3
\(\frac{3}{4}\)
4
\(\frac{9}{11}\)