A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mathmath333

  • one year ago

Probability question

  • This Question is Closed
  1. mathmath333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \(\large \color{black}{\begin{align} & \normalsize \text{A man and woman appear in an interview for 2 vacancies}\hspace{.33em}\\~\\ & \normalsize \text{of same post.The probablity of man's selection is }\ \dfrac{1}{4} \text{and that of } \hspace{.33em}\\~\\ & \normalsize \text{woman's selection is }\ \dfrac{1}{3}\ \text{What is the probablity that both } \hspace{.33em}\\~\\ & \normalsize \text{will be selected} \hspace{.33em}\\~\\ & a.)\ \dfrac{1}{12} \hspace{.33em}\\~\\ & b.)\ \dfrac{1}{3} \hspace{.33em}\\~\\ & c.)\ \dfrac{2}{5} \hspace{.33em}\\~\\ & d.)\ \dfrac{3}{7} \hspace{.33em}\\~\\ \end{align}}\)

  2. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 4

    Hint: they are independent events

  3. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 4

    man's selection doesn't depend on women's and vice versa

  4. mathmath333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \(\large \color{black}{\begin{align} & P(A\cap B)=P(A\cup B)-P(A)-P(B) \hspace{.33em}\\~\\ \end{align}}\)

  5. mathmath333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i didn't understand

  6. mathmath333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do u mean this \(\large \color{black}{\begin{align} & P(A\cap B)=P(A)\times P(B) \hspace{.33em}\\~\\ \end{align}}\)

  7. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 4

    Yes they are independent events, so you simply multiply the probabilities

  8. 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.