A binary variable is often called a: O A. residual. B. power of a test. O C. dummy variable. O D. dependent variable.

PLS HELP ASAP ON BOTH

Consider the Pareto chart, which shows the number of student blood donors by their type for one day of a campus blood drive. What percentage of the student donors have blood type O? Please round your answer to the nearest whole number. Frequency 50 45 40 35 30 25 25 20 15 10 10 5 Student Blood Donors 20 20 15 5 0 A B AB Blood Type

An 18-month-old child was admitted to the hospital after falling into a hot bath. Two weekslater, she was doing well and set to return home. Her mother noticed that the little girl askedfor a drink every time she saw one, and she often sucked on a wet washcloth. When thechild’s mother asked about this behavior, the nurses told her it was normal—they would notask a physician for permission to give the girl a drink. The nurses told the mother that herchild was doing well and that she should go home and get some sleep.When the mother returned early the next morning, she knew that something was verywrong with her child. The medical team was notified. They administered naloxone, a drugused to block the effects of opioids. They finally allowed the girl to have a drink, and she swallowed a liter of juice. The medical team determined that the girl should not be given anymore narcotics. They gave verbal orders.A nurse entered the girl’s room that afternoon with a syringe of methadone. The…