A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

a man has four socks in his drawer . each socket is either black or white . the changes of him selecting a pair at random and finding that he has a white pair is 0.5. what one his chances of the pair being black?

  • This Question is Closed
  1. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    option are ;a.0 b.0.5 c.2/3 d.none.

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

    answer is none. he has 4 socks in the drawer. the number of ways to pick two out of 4 is \[\dbinom{4}{2}=6\] and this is your denominator. you numerator therefore must be 3 which is \[\dbinom{3}{1}\] so he hasd 3 white socks to pick from

  3. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    if this is abstract, draw 4 circles, 3 open and once shaded in. then see what all the combinations are and you will see that half of them have two white socks and half have one white and one black.

  4. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oops 0 is the answer. the probability is 0, not 'none'

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

    great job,

  6. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thnx

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    try next question.

  8. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    if you write down my age followed by my age when i was ayear younger, you get a four digit number. taking the square root of that number gives my house number. what is my house number.?

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    is this a quiz?

  10. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you are old. 91

  11. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no its 71 but i could find the reason.

  12. 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.