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A kindergarten class consists of 14 boys and 11 girls If the teacher selects a random sample of n
= 3 children and the first two children are both boys, what is the probability that the third child
selected will be a girl? Explain your response.
Solution
probability= (14c2 *11c1)/(25c3) =1001/2300 so ans is 1001/2300

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A kindergarten class consists of 14 boys and 11 girls If the teacher.pdf

  • 1. A kindergarten class consists of 14 boys and 11 girls If the teacher selects a random sample of n = 3 children and the first two children are both boys, what is the probability that the third child selected will be a girl? Explain your response. Solution probability= (14c2 *11c1)/(25c3) =1001/2300 so ans is 1001/2300