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Please Help Thankyou 

 

 Jun 18, 2019
 #1
avatar+101856 
+2

Not totally sure about this one....but....

 

The mean = 7

 

The first quartile is from  2 to 7

The second quartile is from 7 to 12

 

So   [ 1/4  + 1/4 ] *80  =   [1/2] * 80  =   40  days

 

 

cool cool cool

 Jun 18, 2019
 #2
avatar+912 
+2

Thankyou Cphill yes I was not even sure how to find that so thanks it makes more sense now! 

Nickolas  Jun 18, 2019

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