What is the probability of drawing two blue marbles if the first marble is placed back in the bag before the second draw?

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.

What is the probability that the marble is green?

2 Answers By Expert Tutors The probability that the marble is either red or green is 0.8. The probability that the marble is neither red nor green is 0.2.

What is the probability of selecting a blue marble?

The probability of selecting a blue marble at random from a jar that contains only blue, black and green marbles is 1/5.

What is the probability that 2 randomly chosen marbles are not pink?

To obtain the probability that is asked, simply compute 1 – (2/9) = 7/9. The probability that the 2 randomly chosen marbles are not both pink is 7/9.

How many marbles are in a bag of marbles?

A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of randomly selecting a blue marble, then without replacing it, randomly selecting a green marble? | Socratic A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles.

What is the probability of drawing both aces without replacement?

Thus, for the first ace, there is a 4/52 probability and for the second there is a 3/51 probability. The probability of drawing both aces without replacement is thus 4/52*3/51, or approximately .005. In a bag, there are 10 red, 15 green, and 12 blue marbles.

What is the probability of two consecutive draws without replacement?

Explanation: The probability of two consecutive draws without replacement from a deck of cards is calculated as the number of possible successes over the number of possible outcomes, multiplied together for each case. Thus, for the first ace, there is a 4/52 probability and for the second there is a 3/51 probability.