A box contains $15$ tickets numbered $1, 2, ....... 15$. Seven tickets are drawn at random one after the other with replacement. The probability that the greatest number on a drawn ticket is $9$, is
A box contains $15$ tickets numbered $1, 2, ....... 15$. Seven tickets are drawn at random one after the other with replacement. The probability that the greatest number on a drawn ticket is $9$, is
- [IIT 1983]
- A
${\left( {\frac{9}{{10}}} \right)^6}$
- B
${\left( {\frac{8}{{15}}} \right)^7}$
- C
${\left( {\frac{3}{5}} \right)^7}$
- D
None of these
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- [JEE MAIN 2019]