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11.03.2020 •
Mathematics
Susan, John, Lisa, and Michael share an office. Two of them will be randomly chosen to change offices by drawing names out of a hat. What is the probability that Michael will be chosen first and Susan will be chosen second.
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Ответ:
8.33% probability that Michael will be chosen first and Susan will be chosen second.
Step-by-step explanation:
Initially, there are 4 people(Susan, John, Lisa, and Michael). The probability of Michael being chosen first is 1/4.
Now, suppose Michael was chosen.
There are 3 people(Susan, John and Lisa). The probability of Susan being chosen is 1/3.
What is the probability that Michael will be chosen first and Susan will be chosen second.
Multiplying these probabilities
8.33% probability that Michael will be chosen first and Susan will be chosen second.
Ответ:
25%
Step-by-step explanation: