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Amy876

Erica was out of town for a month, so she had her friend Sara check her mailbox. Each day, Sara would count how many different types of mail Erica received and then place the mail in a box inside Erica's apartment. The table below shows how many pieces of each type of mail Erica received during the month. Erica's Mail Received in a Month Type of Mail Number of Pieces Bills20 Cards6 Junk Mail24 Magazines8 Advertisements38 Wrong Address 4 According to the table, if Erica drew two pieces of mail randomly from the box, without replacement, what is the probability she would draw out

  • one year ago
  • one year ago

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  1. Amy876
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    what is the probability she would draw out a wrong address

    • one year ago
  2. DoomDude
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    1/25 is the chance she will draw a wrong address, if she draws 4 times, that would be 1/25 times 4, that would equal 4/100

    • one year ago
  3. DoomDude
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    So if I am right, it would be 4/100 and that can be simplified to 1/25

    • one year ago
  4. Amy876
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    THats not one of the answers

    • one year ago
  5. DoomDude
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    oh, sorry then, It has been a while since I have done probability

    • one year ago
  6. DoomDude
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    let me go read up on it quick then get back here

    • one year ago
  7. Amy876
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    A 3/2475 B 3/2500 C 4/2475 D 1/625

    • one year ago
  8. kevinkeegan
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    (4/total)*(3/total-1)

    • one year ago
  9. kevinkeegan
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    1st time round prob= 4/total 2nd time, theres 1 less , so = 3/(total-1)

    • one year ago
  10. Amy876
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    I dont get it?

    • one year ago
  11. DoomDude
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    but wouldn't that equal 1/825?

    • one year ago
  12. Amy876
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    but thats not one of the answers

    • one year ago
  13. DoomDude
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    exactly

    • one year ago
  14. DoomDude
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    let me see....

    • one year ago
  15. DoomDude
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    let me try to get someone here that knows tis...

    • one year ago
  16. Amy876
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    its ok I have another question that i need help with too

    • one year ago
  17. DoomDude
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    post the one here while i try to get someone here

    • one year ago
  18. ZhangYan
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    it was C

    • one year ago
  19. kevinkeegan
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    working pls

    • one year ago
  20. DoomDude
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    could you explain it @ZhangYan

    • one year ago
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