Question

A bag contains 5 white marbles, 4 black marbles, and 1 red marbles. Find the probability of picking a black marble?

Answer 1

Answer:

4/10 or 40%

Step-by-step explanation:

Their is 10 marbles in all and their is 4 black marbles so,

4/10 or 40%

Hope my answer has helped you and if not i'm sorry.

Answer 2

$|\Omega|=10\\|A|=4\\\\P(A)=\dfrac{4}{10}=\dfrac{2}{5}=40\%$