A middle school is putting together a group of   10   children to represent the school at various sports competitions with other schools.  26  sports-loving students, of whom  9 are girls and the rest are boys, have volunteered to be in the group. If the selections are made at random, what is the probability of selecting  10 children from the  26 volunteers such that  4  are girls and the rest are boys?

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A:

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Q: An almost out-of-business movie theatre has three categories of seats - front, middle, and rear. Of…

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Q: A batch of parts contains 80 parts from Batangas supplier of engine and 120 parts from a supplier of…

A: