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Amy876
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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
 2 years ago
 2 years ago
Amy876 Group Title
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
 2 years ago
 2 years ago

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Amy876 Group TitleBest ResponseYou've already chosen the best response.1
what is the probability she would draw out a wrong address
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
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
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
So if I am right, it would be 4/100 and that can be simplified to 1/25
 2 years ago

Amy876 Group TitleBest ResponseYou've already chosen the best response.1
THats not one of the answers
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
oh, sorry then, It has been a while since I have done probability
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
let me go read up on it quick then get back here
 2 years ago

Amy876 Group TitleBest ResponseYou've already chosen the best response.1
A 3/2475 B 3/2500 C 4/2475 D 1/625
 2 years ago

kevinkeegan Group TitleBest ResponseYou've already chosen the best response.0
(4/total)*(3/total1)
 2 years ago

kevinkeegan Group TitleBest ResponseYou've already chosen the best response.0
1st time round prob= 4/total 2nd time, theres 1 less , so = 3/(total1)
 2 years ago

Amy876 Group TitleBest ResponseYou've already chosen the best response.1
I dont get it?
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
but wouldn't that equal 1/825?
 2 years ago

Amy876 Group TitleBest ResponseYou've already chosen the best response.1
but thats not one of the answers
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
let me see....
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
let me try to get someone here that knows tis...
 2 years ago

Amy876 Group TitleBest ResponseYou've already chosen the best response.1
its ok I have another question that i need help with too
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
post the one here while i try to get someone here
 2 years ago

kevinkeegan Group TitleBest ResponseYou've already chosen the best response.0
working pls
 2 years ago

DoomDude Group TitleBest ResponseYou've already chosen the best response.0
could you explain it @ZhangYan
 2 years ago
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