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yulyashka [42]
2 years ago
8

Two friends are taking an english class that has a monthly reading list. once a student chooses a book from the list, no other s

tudent can choose that book. if there are 3 mystery and 4 romance books left, what is the probability that the first friend will randomly select a mystery book and the second friend will randomly select a romance book?
History
2 answers:
Galina-37 [17]2 years ago
5 0
Probability = Number of ways something can happen / Total number of outcomes; or:
P  = m / n
If the first friend randomly selects a mystery book the probability is:
3 / ( 3 + 4 ) = 3 / 7.
After that he leaves 2 mystery and 4 romance books. Probability that the second friend will randomly select a romance book is then :
4 / ( 2 + 4 ) = 4 / 6. And finally, the probability for all of that is:
P = 3 / 7 * 4 / 6 = 2 / 7.
Answer: The probability is 2 / 7.
 
telo118 [61]2 years ago
3 0

Answer:

The answer would 2/7 hopefully this helps!

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