A Quality Analyst wants to construct a control chart for determining whether four machines,all producing the same product,are under control with regard to a particular quality attribute.Accordingly,she inspected 1,000 units of output from each machine in random samples,with the following results: 
If upper and lower control limits were set as 0.028 and 0.010,which machine(s) ,if any,appear(s) to be out-of-control for process proportion of defectives?
Definitions:
Schizophrenia
An emotional and cognitive disorder where thought, sensory understanding, feelings, and social behavior are impaired.
Cortical Seizure
A seizure originating in the brain's cortex, affecting consciousness and motor or sensory functions depending on the area involved.
Mood Swings
Rapid fluctuations in a person's emotional state, often experienced as intense, frequent changes in mood.
Bipolar Disorder
A mental disorder marked by dramatic shifts in a person's mood, energy, and ability to think clearly, ranging from manic highs to depressive lows.
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