Suppose a jar contains 13 red marbles and 16 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the probability that both are red. Enter a fraction or decimal rounded to 4...

Suppose a jar contains 13 red marbles and 16 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the probability that both are red. Enter a fraction or decimal rounded to 4 decimal places.

Suppose you roll a special 29-sided die. What is the probability that the number rolled is a "1" OR a "2"?