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4. A survey found that of 26 food restaurants, 13 were pizza parlours, 9 did not sell alcohol, and 7 were pizza
parlours that did not serve alcohol. Determine the probability that if one restaurant is chosen at random, it is a
pizza parlour or does not serve alcohol.

Respuesta :

zionknyc

Answer: 16/13

Step-by-step explanation:

Facts:  

Total: 26 restaurants

Pizza parlors: 13

9/13 do not sell alcohol

7/13 do not sell alcohol

Total probability (not serving alcohol): 16/13

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