xYa week 11-MAT300044: XyA ALEKS Cynthia Barnes Campus C ALEKS X Secure https://

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xYa week 11-MAT300044: XyA ALEKS Cynthia Barnes Campus C ALEKS X Secure https://www-awh.aleks.com/alekscgib/lslexe/lo_u-lgNskr7j8P3jH-v-6tibonmD2YV6av9y3XZztyKQsaQKxKRok Calculator Calendar 1 2 3 45 6 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Submit Test tme Question #7/ 25 An experiment involves 16 participants. From these, a group of 4 participants is to be tested under a special condition. How many groups of 4 participants can be chosen, assurning that the order in which the participants are chosen is irrelevant? (If necessary, consult a list of formulas) Clear Undo Help ee Prev. Question Next Question >> DELL

Explanation / Answer

here we use combination , as a combination is a collection of the objects where the order doesn't matter,

so selecting 4 person out of 16 are=16C4=(16!)/(12!*4!)=(16*15*14*13)/(4*3*2*1)=1820

( or using ms-excel =COMBIN(16,4))

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