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.
There are 4 blue marbles and 3 green marbles.
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.
Getting black marble b.
Frac 1 4 of 32 is 8 so there are 8 red marbles and 24 marbles that are neither red nor blue.
The probabilty unsimplified could be 6 15.
P yellow 2 11 the probability of picking either of these colors.
This means fair or the probability of selecting any of the marbles is the same selecting a blue marble is.
There are 4 blue marbles 5 red marbles 1 green marble and 2 black marbles in a bag.
None of the options listed.
A bag contains 2 red marbles 3 blue marbles and 4 green marbles.
As there are 10 green marbles there are 14 marbles left that are not green red or blue.
I think the word half in every case should have been out of in which case your answer then becomes b.
P blue orange green 6 20 4 20 3 20 3 10 1 5 3 20 9 1000.
6 blue 7 black 4 orange and 3 green marbles gives a total of 20 marbles in a bag.
For blue frac 1 5 of 40 is 8 so there are 8 blue marbles and 32 other marbles.
Find the probability of.
Discussion in calculator requests started by math celebrity jul 19 2020.
So we need to first find the total number of marbles.
Getting other than green d.
It truly is your denominator.
Once you upload all the numbers mutually you get 15.
4 red marbles and 5 blue marbles means the probability of randomly note.
There s 9 balls in the bag and 5 are blue.
Getting other than purple answer by stanbon 75887 show source.
What is the probability of choosi.
P green 3 11 same idea for yellow.
Suppose you select one marble at random.
Getting blue or red c.
6 divided by 3 equals 2 and 15 divided by 3 equals 5.
P green or yellow 5 11 probability here is the chance of selection out of a total.
A blue marble.
The form of blue marbles 6 is your numerator.
So the odds are simply 5 9.
Yet you simplify it by dividing by 3.
The probability that we pick one of the 3 green marbles out of the 11 is simply that ratio.