To find the answer to probability, first add all the things together (5+3+2=10), then, find the number of things you will be taking from the group of things (3), and put together as a fraction (3/10). So the final answer is 3/10, which is unlikely.
:D
The theoretical probability of randomly picking each color marble is the number of color marbles you have for each color, divided by the total number of marbles. For example, the probability of selecting a red marble is 3/20.
0No blue marbles in the bag.
None, if all the marbles that you have are yellow!
3/10 or 0.3 is the probability of picking a purple marble.
1 in 15 chances that the marble will be blue, because there are 15 marbles all together in a bag, and you are only picking one out of it.
The probability of picking a green marble from a box that only contains blue marbles is zero.
The theoretical probability of randomly picking each color marble is the number of color marbles you have for each color, divided by the total number of marbles. For example, the probability of selecting a red marble is 3/20.
0No blue marbles in the bag.
1 in 7
None, if all the marbles that you have are yellow!
3/10 or 0.3 is the probability of picking a purple marble.
1 in 15 chances that the marble will be blue, because there are 15 marbles all together in a bag, and you are only picking one out of it.
7/15 for blue marbles and 8/14 for the purple marbles this is dependent probability
11 marbles total and 6 are blue so probability is 6/11
1/6Because:There is a 4 in 9 chance of picking a red ball the first time and 3 in 8 chance of picking a red ball the second time. The chance of picking two reds as the first two balls is 4/9 x 3/8 or 12/72 or 1/6
if you pick one marble at random, the odds are 17/(42+17+27) or 17/86 or about 20%
The probability of picking ABC, in that order, from 5 A's, 3 B's, and 2 C's, without replacement, is (5 in 10) times (3 in 9) times (2 in 8), or 30 in 720, or 3 in 72, or 1 in 24.