SOLUTION: I am really lost here, my teacher never touched this before.
4. In a class of 20 children, 4 of the 9 boys and 3 of the 11 girls are in the athletics team. A person from the cla
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Question 1115413: I am really lost here, my teacher never touched this before.
4. In a class of 20 children, 4 of the 9 boys and 3 of the 11 girls are in the athletics team. A person from the class is chosen to be in the ‘egg and spoon ‘race on sport Day. Find the probability that the person chosen is:
4.1 in the athletics
4.2 female
4.3 a female member of the athletics team
4.4 Between 4500 and 4 900 oranges
Found 2 solutions by stanbon, math_helper:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
4. In a class of 20 children, 4 of the 9 boys and 3 of the 11 girls are in the athletics team. A person from the class is chosen to be in the ‘egg and spoon ‘race on sport Day. Find the probability that the person chosen is:
4.1 in the athletics team:: (4+3)/20 = 7/20
4.2 female:: 11/20
4.3 a female member of the athletics team:: 3/7
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Cheers,
Stan H.
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Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
In 4.3, I think the probability should be 3/20 as the person is chosen from the population of 20 children, 3 of whom are female athletes.
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