Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

cathy.poff Group Title

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?

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. telliott99 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    how many B's, how many total?

    • 2 years ago
  2. cathy.poff Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    8 B's, 32 grades in all.

    • 2 years ago
  3. telliott99 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    What ratio?

    • 2 years ago
  4. cathy.poff Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Doesn't say

    • 2 years ago
  5. julianassange Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    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

    • 2 years ago
  6. telliott99 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    1:4

    • 2 years ago
  7. julianassange Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Oh yeah, my bad. error. You getz medal.

    • 2 years ago
  8. telliott99 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Thanks.

    • 2 years ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.