anonymous
  • anonymous
In a math class students earned the following grades: 13 A's, 8 B's, 6 C's, 4 D's, and 1 F if the teacher pulled one exam from the pile at random, what are the chances that she would pull an exam that received a B?
Mathematics
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anonymous
  • anonymous
In a math class students earned the following grades: 13 A's, 8 B's, 6 C's, 4 D's, and 1 F if the teacher pulled one exam from the pile at random, what are the chances that she would pull an exam that received a B?
Mathematics
chestercat
  • chestercat
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
how many B's, how many total?
anonymous
  • anonymous
8 B's, 32 grades in all.
anonymous
  • anonymous
What ratio?

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anonymous
  • anonymous
Doesn't say
anonymous
  • anonymous
8:32. Because it is 8 bs and then all of the grades added up. So, it would be 8:32. BUT! You have to simplify. So, 8:32, then, 2:8, and then, 1:6. So, answer is 1:6
anonymous
  • anonymous
1:4
anonymous
  • anonymous
Oh yeah, my bad. error. You getz medal.
anonymous
  • anonymous
Thanks.

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