The total number of events William worked last year was 10 + 26 = 36.
The number of anniversary parties he worked was 10.
Therefore, the probability that one of the events William worked last year, selected at random, was an anniversary party is:
P(anniversary party) = 10/36 = 5/18
William is a very busy professional DJ. Last year, he worked 10 anniversary parties and 26 other events.
What is the probability that one of the events William worked last year, selected at random, was an anniversary party?
Write your answer as a fraction or whole number.
P(anniversary party)=
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