Question

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.

Answer 1

Answer: 16/13

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