I don't know where to start with this one. What is the formula and how do I go about answering this?
Question:
If one of the 255 subjects is randomly chosen, what is the probability that the person prefers orange juice, given they are over 40? Round your answer to 3 decimal places.
Water Orange Cola
juice
Under 21 years 40 25 20
21 – 40 years 35 20 30
Over 40 years 20 30 35
   
            
            
        Question:
If one of the 255 subjects is randomly chosen, what is the probability that the person prefers orange juice, given they are over 40? Round your answer to 3 decimal places.
Water Orange Cola
juice
Under 21 years 40 25 20
21 – 40 years 35 20 30
Over 40 years 20 30 35
Answers
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