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A university dean is interested in determining the proportion of students who receive some sort of financial aid.Rather than examine the records for all students,the dean randomly selects 200 students and finds that 118 of them are receiving financial aid.Use a 90% confidence interval to estimate the true proportion of students who receive financial aid.
Electrical Stimulation
The use of electrical currents to stimulate nerves or brain regions for therapeutic purposes or in research to understand neural function.
Olds and Milner
Researchers known for their discovery of the brain's reward system through experiments involving electrical stimulation of the brains of rats.
Rats
Rodents commonly used in psychological and medical research due to their physiological and genetic similarities to humans and their predictable behaviors.
Drives
Internal states that motivate the organism to perform actions necessary for survival, such as hunger or thirst.
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