Question

A bag contains 7 blue, 4 yellow, 4 green, and 5 red marbles. Find the probability of choosing a green marble without looking. Mark only one oval. Dood​

Answer 1

1/4

Explanation:

total balls=7+4+4+5=20

probability of green marble=?

green marbles are 5 so,

Probability=number of favourable outcomes / number of all possible outcomes

total outcomes=20

green ball chances=5

=5/20

=1/4