Mathematics
emilykolarek
11

a family has 8 girls and 4 boys. a total of 3 children must be chosen to speak on behalf of their family at a local benefit. what is the probability that no girls and 3 boys will be chosen

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(1) Answers
bridjetestrada

Random picks from a set of 12 people. First pick P boy = 4/12 or 1/3 Second pick P boy = 3/11 Third pick P boy = 2/10 or 1/5 Multiply the probabilities  1/3  x 3/11 x 1/5 = 1/55 (P that no girls and 3 boys will be chosen)

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