A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

A single card is chosen at random from a shuffled standard fifty-two card deck (no jokers). Find the following probabilities. 1)What is the probability that the card is black? 2)What is the probability that the card is a heart? 3)What is the probability that the card is either a diamond or a 4? 4)What is the probability that the card is at least a 7 and at most a 9? That is, P(≥7∩≤9)

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

    I guess 1) 1/2 2) 1/4 3) 17/52 or 16/52 i don't know for sure 4)21/52

  2. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if we out all the diamonds and 4s into a pile, how many cards would be in the pile?

  3. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if w put all the 7s, 8s and 9s in a pile, how many would be in the pile?

  4. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    21 might be a typo ... 12/52 seems better for that one

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

    k

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

    im a bit confuse 12/52 is from which question?

  7. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    the one that has 21 in it ...

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

    question 4) ?

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

    \[P \left( A \cup B \right)=P \left( A \right)+P \left( B \right)\]-P(A intersection B)

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

    all are correct except for 4 ?

  11. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if we put all the diamonds and 4s into a pile, how many cards would be in the pile?

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

    there are 13 diamond and 4 (club diamond, heart and spade)

  13. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    13 diamonds, plus 1 card from each of the other 3 suits 13+3

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

    16/52

  15. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes

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

    ok

  17. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if we take a 7, 8, and 9 from each suit ... so 3 cards out of 4 suits would be how many cards?

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

    12 ?

  19. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes, so 12/52 for that last one .. not 21/52

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

    ok i see

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

    now we are done here ?

  22. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    the rest are fine, so yeah

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

    thank you so much for the help

  24. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    good luck :)

  25. 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.