The Probability Of Randomly Drawing A Blue Marble

The two events above are mutually exclusive and cover all possibilities of picking two marbles with different colors.

The probability of randomly drawing a blue marble.

The probability of randomly drawing either a red marble or a green marble is 80. A bag contains 3 red and 2 blue marbles. We ve already calculated the probability of your 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 jar contains 2 green marbles 4 blue marbles 3 yellow marbles and 2 black marbles. 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. Then a second marble is chosen at random. The probability of randomly drawing a red marble and then a green marble is 1 6.

A coin is flipped and a number cube is rolled. 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. How about the probability of my drawing a blue marble too.

The probability of not drawing a blue marble is 20. And so this is sometimes the event in question right over here is picking the yellow marble. The probability of randomly drawing a red marble and then a green marble is 1 6. The probability of drawing a green marble is the same as the probability of drawing either a red or a blue marble.

Multiply 3 5 times 5 9 and you get 3 9 or reduced 1 3. So they say the probability i ll just say p for probability. The probability of randomly drawing a blue marble is 2 15 what is the probability of not drawing a blue marble. A marble is drawn at random.

Find the probability of the first marble being green and the second marble being yellow. 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 not drawing a blue marble is 20. A marble is chosen at random from the jar and replaced.

A bag contains 9 purple marbles 2 blue marbles and 4 pink marbles. The probability of picking a yellow marble.