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03-05-2024
Mathematics

Answered

There are 7 college students running for student government class president. The candidates
include 3 chemistry majors.
If 4 of the candidates are randomly chosen to give the first 4 speeches in a certain order,
what is the probability that just the first 2 of the chosen candidates are chemistry majors?
Write your answer as a decimal rounded to four decimal places.

Answer :

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