SOLUTION: There were 12 girls and 3 boys in a group of children. One child was chosen at random from the group. Another child was chosen at random from the remaining children.
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Question 1196515: There were 12 girls and 3 boys in a group of children. One child was chosen at random from the group. Another child was chosen at random from the remaining children.
Expressing each answer as a fraction in its simplest form, calculate the probability that
(a) the first child chosen was a girl,
(b) the first chosen was a girl and the second was a boy,
(c) a child of each sex was chosen. Answer by ewatrrr(24785) (Show Source):
Hi
Group of 15: 12 girls, 3 boys
One child was chosen at random from the group.
Another child was chosen at random from the remaining children.
Calculate the probability(express as fraction in simplest form):
(a) the first child chosen was a girl.
(b) the first chosen was a girl AND the second was a boy.
(c) a child of each sex was chosen. (b) OR boy first & girl second
+ =
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