Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

saifoo.khan

  • 2 years ago

Please check my answers:

  • This Question is Open
  1. breja
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    What answers?

  2. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Q14 (c) and (d)

    1 Attachment
  3. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    You mean 14 i and ii? There's no (c) and (d). I got 1/25 for i and 1/5 for ii

  4. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Oh wait. Q13 (c) and (d)

  5. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    And how you got that for Q14?

  6. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    13C I got 10/16 and 13D I got 14/16

  7. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Oops meant 1/5 for 14 i

  8. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    There are 25 possibilities right? 0 then 0, or 0 then 1, or 0 then 2 etc. 5 of them have the same number on both days: (0,0), (1,1), (2,2), (3,3), (4,4). So the probability is 5/25=1/5.

  9. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Same idea with 14 ii. There are 25 possibilities. 5 of them have a total of 4: (0,4), (1,3), (2,2), (3,1), (4,0)

  10. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I got right for 13(c).

  11. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    And for (d) too

  12. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I don't get 14 one. Sorry. :/

  13. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Make a probability tree with all the possibilites if you want. Like this, except there should 0,1,2,3,4 at the end of each of the 5 branches. |dw:1354320893329:dw| You can see there are 25 possibilities. How many of them have the same number on each day?

  14. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1354321015621:dw|

  15. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    There's one of them. Except you did the probability wrong, it's 1/5=0.2 not 0.1.

  16. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    No. In the table it's given 0.1

  17. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    OOOHHHHHH I completely forgot about the probabilities!! I'm sorry :P I was assuming each day had the same probability! I'll look at it again

  18. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    No problem. Sure. :)

  19. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Yeah so you're on the right track. The probability of 4 on each day is 0.1*0.1=0.01. Now do the same for the other numbers.

  20. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Perfect. What about part(ii) ?

  21. BluFoot
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Now you want to look at all the possibilites that add up to 4. So: (0,4), (1,3), (2,2), (3,1) and (4,0) Find the probabilities of each of those and add them together.

  22. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Got'ya. Thanks a ton.

  23. angelpatterson
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ok well that's a really long conversation.Why isn't it closed?

  24. 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.