SOLUTION: a class consists of 8 men and 7 ladies. two students were selected randomly to represent the class in a debate. find the probability that the two students are both ladies
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Question 1174074
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a class consists of 8 men and 7 ladies. two students were selected randomly to represent the class in a debate. find the probability that the two students are both ladies
Answer by
ikleyn(52784)
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Probability P =
=
=
=
= 0.2 = 20%.
ANSWER
The remarkable number 15 in this formula is 8+7.
Solved.
The formula is self-explanatory.
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