Leggett5188 Leggett5188

02-01-2018
Mathematics

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If 100 students are in a class 40 are boys 30 wear glasses 15 are boys that wear glasses what is the probability that a girl will be chose that does not wear glasses

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aevhook aevhook

02-01-2018

1 in 4 chance

100 students - 40 boys
that means there are 60 girls
30 people wear glasses - 15 boys
that means 15 girls wear glasses
15/60 = 1/4 or 25 %

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