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Now let's try an in-format question. Click on the correct response and then click Continue. |
Here you can determine the probability of each individual event occurring. To determine multiple-event probability, multiply the probability that the first event will occur by the probability that the second event will occur.
In this case, this would translate as:
So the probability = 
that the first student chosen is a junior.
The probability equation is the same for the second student chosen, but the
numbers change a little. Since one student has already been chosen, there are
only nine students left from which to choose. If the first student chosen was
a junior, there are only four juniors, so the probability that the second student
chosen is also a junior is 
.
Now multiply the individual probabilities together. The probability that both students chosen are juniors is 
.
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Video Lessons and 10 Fully Explained Grand Tests
Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.