The Probability Of Randomly Drawing A Blue Marble

Then a second marble is chosen at random.

The probability of randomly drawing a blue marble. Well after you draw a blue there are 9 marbles left and 5 of them are blue so for me the probability will be 5 9. A coin is flipped and a number cube is rolled. A jar contains 2 green marbles 4 blue marbles 3 yellow marbles and 2 black marbles. What is the probability of drawing a blue marble 16527607.

The probability of a blue marble being picked first is 3 5 and once this happens then there are only two white and two blue marbles left so the probability of the second marble being white is 1 2. Multiply 3 5 times 5 9 and you get 3 9 or reduced 1 3. The probability of randomly drawing a blue marble is 2 15 what is the probability of not drawing a blue marble. The probability of randomly drawing either a red marble or a green marble is 80.

And so this is sometimes the event in question right over here is picking the yellow marble. A bag contains 7 blue marbles 8 green marbles 15 red marbles and 10 yellow marbles. The probability of not drawing a blue marble is 20. Find the probability of the first marble being green and the second marble being yellow.

A marble is drawn at random. A bag contains 3 red and 2 blue marbles. The probability of randomly drawing a red marble and then a green marble is 1 6. So they say the probability i ll just say p for probability.

The probability of drawing a green marble is the same as the probability of drawing either a red or a blue marble. A marble is chosen at random from the jar and replaced. The probability of not drawing a blue marble is 20. We ve already calculated the probability of your drawing a blue marble.

The probability of picking a yellow marble. Find the probability of randomly drawing without replacement a blue marble and then a red p blue 7 40 p red blue 15 39 p blue then red 7 40 15 39 0 0673 cheers stan h. The probability of not drawing a blue marble is 20. Find the probability of pulling a yellow marble from a bag with 3 yellow 2 red 2 green and 1 blue i m assuming marbles.

The probability of drawing a green marble is the same as the probability of drawing either a red or a blue marble. The probability of randomly drawing a red marble and then a green marble is 1 6.