Question

Find n(S) if 3 tickets are drawn are drawn from a box containing 20 lottery tickets.

Answer 1

Answer:

20

Step-by-step explanation:

p(E)=n(E)/n(S)

n(e)=3

n(s)=20

Answer 2

Answer:

1140

Step-by-step explanation:

n(s)=20^c∨3

n(s)=20*19*18/3*2*1

n(s)=1140