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4. A choir is made up of 9 sopranos, 8 altos, 8 tenors, and 5 basses. What is the probabilitythat if two people were picked out of the choir that the first student is a tenor and the secondan alto?

Answer :

[tex]\text{probability }=\frac{\text{ number of favorable outcomes}}{\text{ total number of outcomes }}[/tex]

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