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26 votes
26 votes
A 12-member jury is to be selected from 15 men and 13 women. Find the probability that this jury has 6 or 7 males.

User Yevgen Kulik
by
3.0k points

1 Answer

7 votes
7 votes

Answer:

The right solution is "0.5545".

Explanation:

According to the question,

The probability of having 6 or 7 males will be:

=
P(6 \ males)+ P(7 \ males)

=
(15_C_6* 13_C_6)/(28_C_(12)) + (15_C_7* 13_C_5)/(28_C_(12))

=
(5005* 1716+6435* 1287)/(30421755)

=
(16870425)/(30421755)

=
0.5545

User AJH
by
3.4k points