An undergraduate business student studies diligently in the library during dead week in anticipation of an outstanding performance on her final exams.She asks a friend to spy on her at random intervals to determine what percentage of time she is actually studying.Over the course of three days,her friend records the following observations:
If the student wants a 95 percent confidence level (z = 1.96)and a degree of precision of + 0.08,how many more observations are needed?
Definitions:
Psychoanalytic
Pertaining to a theory of mental illness and therapy developed by Sigmund Freud that emphasizes unconscious psychological processes and stresses the importance of childhood experiences.
Cognitive-Behavioral Therapist
A mental health professional specializing in cognitive-behavioral therapy (CBT), which focuses on changing negative thought patterns to improve behavior and emotional regulation.
Electroconvulsive Treatments
A psychiatric treatment where seizures are electrically induced in patients to provide relief from mental disorders.
Positive Activities
Engagements or tasks that induce positive emotions, enhance well-being, and contribute to personal or group fulfillment, often used in therapeutic contexts to improve mental health.
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