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lukranit [14]
3 years ago
11

From a group of 8 people, including George and Nina, 3 people are to be selected at random to work on a certain project. What is

the probability that the 3 people selected will include George but not Nina?
Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0

Answer:\frac{15}{56}

Step-by-step explanation:

We have to select george but not nina with two other people

No. of ways  selecting 2 two people knowing Geroge will be the third one is

^6C_2 (beacuse we have to exclude Nina)

And total no of ways of selecting 3 people out of 8 people is ^8C_3

Therefore the required Probability is \frac{^6C_{2}}{^8C_{3}}    

=\frac{15}{56}

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