A teacher brings a bag of 15 strawberries and 5 oranges on a field trip. A student randomly pulls one piece of fruit from the bag, replaces it, and then pulls another piece of fruit from the bag.
a. What is the probability that both pieces of fruit will be strawberries
b. What is the probability that the student will NOT pull two strawberries from the bag? c. What is the probability that the student will pull two pieces of fruit, neither of which are strawberries
