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