7. an industrial plant is conducting a study to determine how quickly injured workers are back on the job following injury. records show that 10% of all injured workers are admitted to the hospital for treatment and 15% are back on the job the next day. in addition, studies show that 2% are both admitted for hospital treatment and back on the job the next day.
a. if a worker is injured, what is the probability that the worker will either be admitted to a hospital or be back on the job the next day or both?
b. what is the probability that an admitted worker not to be back on job the next day?