A box contains 3 green marbles, 5 red marbles and 2 blue marbles find the probability of getting a red marble.

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Solution

Green 3
Red 5
Blue 2
Total marbles=3+5+2=10
So,
Probability of getting red marble=(number of red marbles/total marbles )
=5/10
=1/2

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A box contains 3 green marbles, 5 red marbles and 2 blue marbles find the probability of getting a red marble.

Green 3 Red 5 Blue 2 Total marbles=3+5+2=10 So, Probability of getting red marble=(number of red marbles/total marbles ) =5/10 =1/2

Green 3
Red 5
Blue 2
Total marbles=3+5+2=10
So,
Probability of getting red marble=(number of red marbles/total marbles )
=5/10
=1/2