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thomasgnathan
24.10.2019 •
Biology
In a certain population suppose 4% of boys are color blind and 1.4% of girls are color blind. we do a color blind test to a sample of children from this population, 60% of whom are boys. what percentage of the color blind children do we expect to be girls? let: b = child is a boy b' = child is not a boy (i.e., is a girl) c = child is color blind c' = child is not color blind
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Ответ:
0.56 % of the total population
Explanation:
If in a certain population we know that the 60 % represent the boys and the 40 % represent the girls.
So the 40 % of girls is the 100 % of all the girl sample and just 1.4 % of girls are color blind. So..
40 % = 100 %
x = 1.4 %
x= (1.4 % x 40 %) / 100 % = 0.56 % of the total population.
Hope this info is useful
Ответ: