Question

If a jar contains 8 black,7 white,3 blue and 2 red marbles, what is the probability of picking a black or a red marble?​

Answer 1

Answer:

black marble- 8/20

Red marble- 2/20

Answer 2

Answer:

total marbles = 8+7+3+2 = 20

probability of getting a red or black marble =

=> sum of no. of red and black marbles

total no. of marbles

equal to => 8+2

20

= 10

20.

in case of only getting black marble

8/10

in case of only getting red marbles

2/10

Step-by-step explanation:

pls mark it as brainlist