Patient complaints. A hospital administrator reports that 45% of the patients coming to the hospital for consultation complained that they had to wait for more than an hour to see the doctor. A study is conducted to determine whether this claim was true by recording the time from when a patient was registered until a doctor had keyed in the patient’s case report into the system. This study would be continued until there is strong evidence showing a decrease in the rate of the patients’ complaints.

a) In words, what will their hypotheses be?

b) What would a Type I error be?

c) What would a Type II error be?

d) For each type of error, tell who would be harmed.

e) What would the power of the test represent in this context?