There Are 4 Blue Marbles And 3 Green Marbles

There are 4 blue marbles 5 red marbles 1 green marble and 2 black marbles in a bag.

There are 4 blue marbles and 3 green marbles.

A bag contains 2 red marbles 3 blue marbles and 4 green marbles. So the odds are simply 5 9. P green 3 11 same idea for yellow. What is the probability of choosi.

For blue frac 1 5 of 40 is 8 so there are 8 blue marbles and 32 other marbles. The form of blue marbles 6 is your numerator. The respond is two 5 a. Discussion in calculator requests started by math celebrity jul 19 2020.

P yellow 2 11 the probability of picking either of these colors. As there are 10 green marbles there are 14 marbles left that are not green red or blue. P green or yellow 5 11 probability here is the chance of selection out of a total. Since the first green marble is not returned the probability of picking another green marble 3 19 multiply both results 4 20 3 19 12 380 3 95.

So we need to first find the total number of marbles. Frac 1 4 of 32 is 8 so there are 8 red marbles and 24 marbles that are neither red nor blue. The correct answer is option a 3 95 the probability of picking a green ball marble at first is 4 20 total number of green marbles total number of marbles present. The probability that we pick one of the 3 green marbles out of the 11 is simply that ratio.

There s 9 balls in the bag and 5 are blue. Getting other than purple answer by stanbon 75887 show source. Getting black marble b. 4 red marbles and 5 blue marbles means the probability of randomly note.

P blue orange green 6 20 4 20 3 20 3 10 1 5 3 20 9 1000. Total 5 3 2 1 11 so there are 11 marbles total. 6 divided by 3 equals 2 and 15 divided by 3 equals 5. A blue marble.

Yet you simplify it by dividing by 3. It truly is your denominator. Suppose you select one marble at random. 2 what is the p pulling a red.

None of the options listed. 6 blue 7 black 4 orange and 3 green marbles gives a total of 20 marbles in a bag. The probabilty unsimplified could be 6 15. Once you upload all the numbers mutually you get 15.

I think the word half in every case should have been out of in which case your answer then becomes b. This means fair or the probability of selecting any of the marbles is the same selecting a blue marble is.