A) \[\frac{1}{2}\]
B) \[\frac{5}{9}\]
C) \[\frac{4}{9}\]
D) \[\frac{2}{9}\]
Correct Answer: C
Solution :
Required probability \[=\frac{{}^{7}{{C}_{3}}}{{}^{9}{{C}_{5}}}+\frac{{}^{7}{{C}_{5}}}{{}^{9}{{C}_{5}}}=\frac{56}{126}=\frac{4}{9}.\]You need to login to perform this action.
You will be redirected in
3 sec