The fresh fruit section in a grocery store is comprised of 30% citrus fruits, 30% berries, 20% apples, 10% melons, and 0% bananas. You purchase 10 pieces of fruit, with 3 citrus fruits, 3 types of berries, 2 apples, 1 watermelon, and ananas. Is your purchase a representative or biased sample of the fresh fruit section? Explain your answer.