It is given in the question that
An executive committee consists of 13 ​members: 5 men and 8 women. 4 members are selected at random to attend a meeting in hawaii. the names are drawn from a hat.
And we have find the probability of selecting all 4 women.
Selecting 4 women out of 8 women is
[tex] 8C4= 70 [/tex]
Selecting 4 from a total of 13 persons
[tex] 13C4=715 [/tex]
Required probability
[tex] = \frac{70}{715} = \frac{14}{143} [/tex]