Question

An urn contains 4 white, 3 black, 2 yellow and 5 red marbles. A marble is drawn at random. What is
the probability of drawing
(a) A red marble?
(b) A non-black marble?

Answer 1

Step-by-step explanation:

probability of red marbles

=no.of red marbles/total balls

=5/14

probability of a non-black marble

=total marbles-black marbles/total marbles

=14-3/14

=11/14

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Answer 2

Answer:

here's your answer mate

Step-by-step explanation:

probability = number of favourable outcome / total number of outcome

Totals marble = 14

a) a red marble = 5/14

b) a non- black marble = 11/14

hope it helps you

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