A Bag Of Marbles Contains 120 Red And Yellow Marbles

The first is replaced before the second is drawn.

A bag of marbles contains 120 red and yellow marbles.

The number of yellow marbles is 1 more than 2 times the number of red marbles. P 3 10 7 9 2 8 p 7 120 since we were ask to find the probability of chosing 1 red 1 black and 1red marble without replacement after each draw we can use the fundamental method in finding the probability. A random variable assigns the number of red marbles to each outcome. Thus the probability of choosing the second red marble is 4 11.

Asked by lyla on april 18 2014. A bag contains 120 marbles. The probability of consecutively choosing two red marbles and a green marble without replacement. If lisa draws a random marble from the bag what is the probability that it will be a red green or blue marble.

A bag contains nine red marbles four green marbles three blue marbles and two yellow marbles. Learn more. There are 114 red marbles in the bag. Calculate the expected value of the random variable.

There are 3 red marbles and 7 black ma. The probability of choosing first red marble is 5 12 because there is not any replacement now 4 red marbles are remained and totally 11 marbles. Asked 03 10 20 a bag contains yellow marbles and red marbles 16 in total. A bag contains 4 yellow 2 red and 6 green marbles.

By dividing both sides by the common factor 40. Y number of black marbles. Which can be re expressed as. 2 put value of x in 1 we get put y 6 in 2 we get hence there are 114 red marbles in the bag.

A handful of 5 marbles is grabbed from the bag. The number of different handfuls of 5 marbles with exactly 2 green and no yellow marbles is. A bag contains 9 red marbles 8 white marbles and 6 blue marbles. Two marbles are drawn.

1 there are 19 red marbles every for black marble. A bag contains 70. The ratio between blue and red marbles is therefore.