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?
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0
Answer:
black marble- 8/20
Red marble- 2/20
Answered by
0
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:
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