There are 6 true/false questions:

P(5 true)

p(exactly 3 true)

There are 5 blue marbles, 2 yellow marbles, and 6 green marbles.

P(pick 2 blue marbles, with replacement)

P(pick 2 blue marbles, without replacement)

P(pick 2 yellow marbles or 2 green marbles, without replacement)