Question

There are 2 red markers and 3
blue markers in a drawer. Without
looking, you select a marker, keep
it out and select another marker.
What is the probability that both
markers are blue?
a. 6/25
b. 3/10
c. 9/25​

Answer 1

Respuesta:

3/10

Explicación paso a paso:

2 red

3 blue

5 markers

P(blue 1°) = 3/5

P(blue 2°) = 2/4

P( blue, blue) = 3/5 . 2/4 = 3/10