anonymous
  • anonymous
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
what is the probability she would draw out a wrong address
anonymous
  • anonymous
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
anonymous
  • anonymous
So if I am right, it would be 4/100 and that can be simplified to 1/25

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anonymous
  • anonymous
THats not one of the answers
anonymous
  • anonymous
oh, sorry then, It has been a while since I have done probability
anonymous
  • anonymous
let me go read up on it quick then get back here
anonymous
  • anonymous
A 3/2475 B 3/2500 C 4/2475 D 1/625
anonymous
  • anonymous
(4/total)*(3/total-1)
anonymous
  • anonymous
1st time round prob= 4/total 2nd time, theres 1 less , so = 3/(total-1)
anonymous
  • anonymous
I dont get it?
anonymous
  • anonymous
but wouldn't that equal 1/825?
anonymous
  • anonymous
but thats not one of the answers
anonymous
  • anonymous
exactly
anonymous
  • anonymous
let me see....
anonymous
  • anonymous
let me try to get someone here that knows tis...
anonymous
  • anonymous
its ok I have another question that i need help with too
anonymous
  • anonymous
post the one here while i try to get someone here
anonymous
  • anonymous
it was C
anonymous
  • anonymous
working pls
anonymous
  • anonymous
could you explain it @ZhangYan

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