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1 vote
Help me please ASAP

Help me please ASAP-example-1
User Brett Ryan
by
5.5k points

1 Answer

3 votes

Answer:
(5)/(35)

Explanation:

Since, the total number of contestant = 7,

Thus, the probability that out of 3 contestant, me and my friend is chosen

=
(2_C_2* 5_C_1)/(7_C_3)

=
((2!)/(2!0!)* (5!)/(1!* 4!))/((7!)/(4!* 3!))

=
(1* 5)/((7* 6* 5* 4!)/(4!* 6))

=
(5)/(35)

Third Option is correct.

User Mattsson
by
5.7k points