Captive primates, such as spider monkeys, often experience fractured bones. The probability distribution from a study ofthe X-rays of 500 captive spider monkeys shows that half of them had one healed fracture; one-quarter had two healedfractures; ten percent had three healed fractures; and fifteen percent had four healed fractures. About how many healedfractures would you expect a randomly selected captive spider monkey to have based on this probability distribution?01020304