April 11th, 2018, 02:08 AM  #1 
Senior Member Joined: Aug 2014 From: India Posts: 294 Thanks: 1  What is the approx average of different probable heights of Gopi?
In Gopi's opinion his height is greater than 168 cm but less than 178 cm. His siter does not agree with Gopi and she thinks that Gopi's height is greater than 172 cm but less than 176 cm. His mother's view is that his height cannot be greater than 175 cm. If all of them are correct in their estimation, and Gopi's height is an integer value. What is the approx average of different probable heights of Gopi? [Ans: 174 cm] My Try: Average of Gopi's opinion: $\frac {168 + 178}{2}$ Average of Gopi's sister's opinion: $\frac {172 + 176}{2}$ Average of Gopi's mother opinion: $\frac {175}{1} = 175$ The approx average of different probable heights of Gopi = $\Large\frac {\frac {168 + 178}{2} + \frac {172 + 176}{2} + \frac {175}{1}} {3}$ Is my procedure is right? If not, tell the correct procedure. Last edited by Ganesh Ujwal; April 11th, 2018 at 02:10 AM. 
April 11th, 2018, 05:26 AM  #2 
Senior Member Joined: May 2016 From: USA Posts: 1,050 Thanks: 430 
This question was asked and answered two times at Free Math Help. No. It is not right as has already been explained to you. 
April 11th, 2018, 12:41 PM  #3 
Global Moderator Joined: May 2007 Posts: 6,540 Thanks: 591 
Height range is 173175. Average must be in there.

April 11th, 2018, 06:47 PM  #4 
Senior Member Joined: Aug 2014 From: India Posts: 294 Thanks: 1  
April 11th, 2018, 07:59 PM  #5 
Senior Member Joined: Feb 2016 From: Australia Posts: 1,600 Thanks: 546 Math Focus: Yet to find out.  
April 11th, 2018, 08:02 PM  #6 
Senior Member Joined: Aug 2014 From: India Posts: 294 Thanks: 1  
April 11th, 2018, 09:19 PM  #7 
Senior Member Joined: Feb 2016 From: Australia Posts: 1,600 Thanks: 546 Math Focus: Yet to find out.  MMF is a free to use discussion board in which participating members can communicate their difficulties, discoveries and other math related topics to other participating individuals. Importantly, contributing members are volunteers and have no major written responsibilities other than being decent and respectful to other members. Certainly, showing your working is encouraged and can greatly aid members who aim to resolve your difficulties but does not guarantee a particular kind of response. Besides, mathman's comment seems reasonable and you haven't responded to it. Moreover, your attitude here and elsewhere may deter some members from interacting with your threads in any more detail than necessary. 
April 11th, 2018, 09:30 PM  #8 
Senior Member Joined: Aug 2014 From: India Posts: 294 Thanks: 1  
April 11th, 2018, 09:31 PM  #9 
Senior Member Joined: Feb 2016 From: Australia Posts: 1,600 Thanks: 546 Math Focus: Yet to find out.  
April 11th, 2018, 11:30 PM  #10 
Senior Member Joined: Oct 2009 Posts: 428 Thanks: 144 
Oh man, watching this dude is like watching a train crash live. Fascinating. Soon nobody is going to help anymore and he'll complain how nobody wants to help him. I have rarely seen somebody this entitled and rude. Very extraordinary!


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approx, average, gopi, heights, probable 
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