Respuesta :

Answer:

[tex]\frac{4}{7}[/tex]

Step-by-step explanation:

Jennifer has 7 marbles in her bag consisting of 4 blue, 1 white, 1 pink, and 1 yellow.

The probability of her picking a blue marble is gotten by dividing the number of blue marbles that she has by the total number of marbles.

Therefore, the probability of picking a blue marble is:

[tex]\frac{4}{7}[/tex]