Three basketball players each shoot 10 foul shots. Player A makes 6 shots, player B makes 8, and player C makes 6.
a.) what is the probability that a randomly selected shot is made
b.) what is the probability that a foul shot was made by player C
c.) what is the probability that a foul shot was made by player A
d.) what is the probability that a missed shot was shot by player A or C