​​​​A bag has 10 red marbles, 6 blue marbles and 4 white marbles. A marble is drawn from the bag without looking into the bag.
a) What is the probability of getting a blue marble?
b) What is the probability of getting a non-red marble?

Dear student,

Total number of possible outcomes=10+6+4=20a) Possiblity of getting a blue marble=6Probability =No. of favourable outcomesTotal number of possible outcomes=620=310b) Possiblity of getting a non red marble=6+4=10Probability =No. of favourable outcomesTotal number of possible outcomes=1020=12

Regards

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blue marble = 6/20 = 3/10
non blue marble = 14/20 = 7/10
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