Q9- Incomplete.
Q10-12C2(selecting 2 freshmen from 12)
17c2- 2 sophomores
16c3- 3 juniors
20c3- 3 seniors
so Toal would be 12c2.17c2.16c3.20c3.
Q11- probability of no rain =1/3
so on atmost 1 day rain
3*1/3*1/3*2/3+1/3*1/3*1/3=7/27
QUESTION9 2 points Save Answer Determine how many different committees can be formed if 3 members...
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