Probability Question 410

Question: Among 15 players, 8 are batsmen and 7 are bowlers. Find the probability that a team is chosen of 6 batsmen and 5 bowlers

[UPSEAT 2002]

Options:

A) $ \frac{{}^{8}C_6\times {}^{7}C_5}{{}^{15}C_{11}} $

B) $ \frac{^{8}C_6{{+}^{7}}C_5}{^{15}C_{11}} $

C) $ \frac{15}{28} $

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

  •                 Total number of ways  $ ={{\,}^{15}}C_{11} $                     Favourable cases  $ ={{\,}^{8}}C_6 $  $ \times {{\,}^{7}}C_5 $                     Required probability  $ =\frac{^{8}C_6\times {{\,}^{7}}C_5}{^{15}C_{11}}. $