Patients who have artificial hip-replacement surgery experience pain the first day after surgery. Typically, the pain is measured on a subjective scale using values of 1 to 5. Let x represent the...

Patients who have artificial hip-replacement surgery experience pain the first day after surgery. Typically, the pain is measured on a subjective scale using values of 1 to 5. Letx represent the random variable, the pain score as determined by the patient. The probability distribution forx is believed to be as below. (Give your answers correct to two decimal places.)