Question 616963
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, 
A card is drawn from a deck of {{{20}}} cards numbered 1-20 w/o replacement:
Prime: 1, 2, 3, 5, 7, 11, 13, 17, 19  || 9 total
Composite: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20  || 11 total
P(prime and then composite) ={{{( 9/20)(11/19)}}}