Question

Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability. The second marble is white given the first marble is blue.

Answer 1

first marble is blue, so there are now 7 marbles in the box, out of which 3 are white so it is
\[\frac{3}{7}\]

Answer 2

thanks

Answer 3

yw