hat the number rolled is a "1" OR a "2"?

Question

Suppose you roll a special 35-sided die, where the sides are labeled 1 through 35. What is the probability that the number rolled is a "1" OR a "2"?

Answer 1

P(1)=1/35

P(2)=1/35

1/35+1/35=2/35, or...

probability=number of favorable outcomes/total number of (possible) equally likely outcomes

1 is a favorable outcome and 2 is a favorable outcome

you have 2 favorable outcomes out of a total of 35 possible outcomes (the numbers 1,2,3,...,33,34,35)

P(1 or 2)=2/35