There are 6 blue marbles,7 black marbles,4 orange marbles,and 3 green marbles in a bag. Once a marble is drawn,it is REPLACED. Find the probability of the outcome
two orange marbles in a row
Stacey Warren - Expert brainly.com
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OK you tell me how many orange are there? How many total marbles are there?
OK so on the first draw.. you put your hand in the bag and there are 4 orange out of the 20 = 4/20 reduced is 1/5
Then.. you put that orange marble back in the bag and you draw again.
At that moment there are 4 orange in the bag out of 20 total marbles.
So that time when you are it is still 4/20 which is 1/5
So the probablity = 1/5 * 1/5 = 1/25 So you would be able to draw an orange then an orange about 1 out of every 25 times.