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3. A parent-teacher committee consisting of 4 people is to be chosen at random from 15 parents and 5 teachers. Find the proba
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n( ০). P। att +2০ Ch2a) 5प १० ८५ 20 c-प ০. ০ ০ 1০ হ5 ২) १ ( ২ ।a14d 8 P ) %= घ ০ १ T ৮১ ३० c५ 2-7PLall p ३ 8!+ ५) PC। 12ach0

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