three application are to be selected at random out of 6 boys and 4 girls .what is the probability of selecting for(all boys),(all girls),at least one boy
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Answer:
n(s)=6boys +4girls
=10students
selecting 6boys
p(e)=p(a)/n(s)
=6/10
=3/5
now
=4girls
=formula
=4/10
=2/5
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