Respuesta :
Answer:
[tex] \frac{1}{2} [/tex]
Step-by-step explanation:
Red: 2, Blue: 15, Black: 8, Green: 5
Total number of pencil = 2 + 15 + 8 + 5 = 30 pencils
probability of picking a blue pencil at random= Number of blue pencil divided by Total number of pencil
=
[tex] \frac{15}{30} [/tex]
=
[tex] \frac{1}{2} [/tex]