Question

a bag contains 4 red marbles and 8 yellow marbles . find the probability of
a) picking a yellow marble
b)picking a red marble

Answer 1

A) total outcomes is 12
n.o of favourable outcomes is 8
then p (e)=8/12=4/3
B) total n.o of outcomes is 12
n.o of favourable outcomes is 4
then p (e)=4/12=1/3
HOPE THIS HELPS YOU

Answer 2

Hey...
(a) The probability of picking a yellow marble = 8/12 = 2/3.
(b) The probability of picking a red marble = 4/12 = 1/3.
Hope this would help you.
Mark it as brainliest if you like.
@Saadya