+0  
 
+1
227
1
avatar

A cell phone company tests 110 cell phones and finds that 4 of them have defects. Out of 550 cell phones, how many would you expect to have defects?

 May 18, 2018
 #1
avatar+412 
+2

4/110=?/550

550/110=5

5*4=20

?=20

 

smileysmileysmiley

 May 18, 2018

34 Online Users

avatar
avatar
avatar
avatar
avatar
avatar
avatar
avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.