



 
Hi Amper, How many ways are there of selecting 3 students from the 16 in the class? This is the number of ways of choosing 3 things from 16 things. How many ways are there of selecting 3 students from the 12 boys? The probability is the number of ways of selecting 3 students from the 12 boys divided by the number of ways of selecting 3 students from the 16 in the class. Penny  


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