Question

A group consists of fivefive men and sevenseven women. FourFour people are selected to attend a conference.

Answer 1

Answer:

Step-by-step explanation:

a.

4 people can be selected in ways=12 P4=12×11×10×9=11880

b.

4 women can be selected in  ways=7P4=7×6×5×4=840

c.

$P=\frac{840}{11880} =\frac{7}{99}$