The probability of drawing a red marble = 2/5.
What is the probability of drawing 2 marbles of the same color?
You can cross check with what I presented here and you will find they are the same. Which gives a probability of about 38%.
What is the probability of picking 2 blue marbles?
The chances of drawing a blue marble are 4/9. Therefore, the chance that both marbles drawn are blue is the chance that the first one is blue times the chance that the second one is blue. Remember, math is always trying to trick you. It wants you to try and do the whole big problem at once, which can be difficult.
What is the probability of picking no red marbles?
So, probability of not drawing 2 red marbles = 7/10.
What is the probability of getting at least one red marble?
(The chance of getting at least one red marble, on the other hand, is 3/12 + 3/12 – (3/12 × 2/11), or only 10/22.)
What is the probability of drawing a marble that is not red?
The probability of not drawing red is the same s the probability of drawing green since there are only two colours. The probability of drawing the first green marble is 2/5 or 40%. The probability of then drawing the second green marble is 1/4 or 25%.
What is the probability of picking black marble?
Step-by-step explanation: The probability of drawing a black marble from a bag is 1/4, and the probability of drawing a white marble from the same bag is 1/2.
What is the probability of getting 2 blue marbles?
What is the probability of picking a blue marble putting it back in the bag then picking a red marble?
The probability of the first marble being red is 943. After returning this marble to the bag, the probability of the second marble being blue is 1143. So the probability picking a red marble, and then a blue marble is 943⋅1143≈0.054.
What is the probability of not picking a green marble?
Answer: The probability of selecting a green marble at random from a jar that contains only green, white and yellow marbles is 0.
What is the probability of picking blue marbles?
When you draw the first marble, there are 10 marbles in the jar of which 6 are blue, so your probability of drawing a blue one is 6/10 (60 percent) or 3/5.
