Question 139893
If one of the 50 shoppers surveyed is chosen at random, what is the probability that the shopper preferred either drink A or drink B? My answer would be 17/50 
Drink survey

Drink A = 5 shoppers 
Drink B = 12 shoppers 
Drink C = 14 shoppers 
Drink D = 11 shoppers 
Drink E = 8 shoppers 

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You are correct.
Cheers,
Stan H.