+0  
 
0
38
1
avatar+661 

thank you 

 

http://prntscr.com/leehkt

critical  Nov 4, 2018
 #1
avatar+91213 
+1

a)  is correct   !!!

 

b) Probability  that student  has cycling as a hobby  [ not, holiday...LOL!!!]

 

There  must be 10 students that like cycling since this sector angle is twice that of those that favor walking

 

So...the probability  is     10 / 60   =    1 / 6  

 

 

cool cool cool

CPhill  Nov 4, 2018
edited by CPhill  Nov 4, 2018

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