When calculating the probability of multiple events, we must determine whether the events are dependent or independent. The probability of independent events is slightly less complicated than calculating the probability of dependent events. When calculating the probability of independent events, unlike the probability of dependent events, we do not need to take into account the effect of one event occurring on the other.
Sample Problems (3)
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My brother was in a class of 20. I was in a class of 30.
Roll a die three times.
The name of each student in your 30 student class is written on a slip of paper and put into a hat.