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 2 years ago
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
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

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

DoomDude
 2 years ago
Best ResponseYou've already chosen the best response.01/25 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

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

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

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

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

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

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

kevinkeegan
 2 years ago
Best ResponseYou've already chosen the best response.01st time round prob= 4/total 2nd time, theres 1 less , so = 3/(total1)

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

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

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

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

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

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