Katie has 8 black marbles, 12 clear marbles, and 14 blue marbles in a bag. If she picks one at random, what is the probability that she will pick a black marble?
1 Answer
Jul 2, 2018
Explanation:
Probability is defined as the ratio of favourable outcomes to all possible outcomes.
In this problem the favourable outcomes are the black marbles. All possible outcomes are the total number of marbles.
Total number of marbles:
Favourable outcomes are all black marbles .i.e. 8
Probability is: