Answer: [tex]\frac{1}{10}[/tex]
Step-by-step explanation:
Blue = 5, Red = 3, Green = 2, Total = 10
Probability  =  First draw   and    Second draw
          =     [tex]\frac{5}{10}[/tex]       x         [tex]\frac{2}{10}[/tex]   Â
          =            [tex]\frac{10}{100}[/tex]
          =            [tex]\frac{1}{10}[/tex]    Â