The probability that the first marble is blue and the second marble is white, that is P(blue marble and white marble) is 8/75.
What is the probability?
Probability refers to a possibility that deals with the occurrence of random events. The probability of all the events occurring need to be 1.
The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.
A bag contains 8 white marbles, 4 green marbles and 3 blue marbles.
2 marbles are selected at random without replacement.
Total number of marbles
8 + 4 + 3 = 15
Since there are no replacements the denominator will get lower every time a marble is pulled.
The first marble is blue ; 3/15
The second is white ; 8/15
The probability that the first marble is blue and the second marble is white, that is P(blue marble and white marble)
= 3/15 x 8/15
= 24/225.
= 8/75
Learn more about probability here;
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