7. Jose has a basket. He has 30 candies, of which 15 are orange candy. what is the probability that a randomly selected candy will be an orange
candy?

15/30 or 1/2

Hope this helps

For 2 coin flips, here are all the possible outcomes.   heads - tailsheads - headstails - tailstails - headsto make a tree diagram with this information, only write the first heads and tails once and draw 2 separate lines off of them pointing to the 2 options given for each.