A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Pulsified333

  • one year ago

Assume that the playbook contains 9 pasing plays and 11 running plays. The coach randomly selects 8 plays from the playbook. What is the probability that the coach selects at least 2 passing plays and at least 3 running plays?

  • This Question is Closed
  1. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    total no .of plays=20

  2. Pulsified333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

  3. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    now atleast 2 means 2 or more than 2

  4. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    now out of 20 he selects 8

  5. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so now we can have the combinations

  6. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    2 passing,6 running 3 passing,5 running 4 passing,4 running 5 passing,3 running

  7. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so 9c2*11c6+9c3*11c5+9c4*11c4+9c5*11c3

  8. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    now calculate and get the answer

  9. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @ pulsified did you understand?

  10. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @Pulsified333

  11. Pulsified333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so is the answer 117810/125970

  12. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah

  13. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

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.