Given that on one section of the SAT the mean is 500 and the standard deviation is 100, what is the approximate probability of a student scoring 400 or lower on the test?
a. 0.84
b. 0.50
c. 0.16
d. 0.34
c
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When a person is ostracized by a parent or spouse over a long period of time, it is ____
a. less devastating than when ostracized by strangers for a few minutes b. equally devastating than ostracization by strangers for a few minutes c. more devastating than ostracization by strangers for a few minutes d. less devastating than ostracization by strangers for a long period of time
To become a better "eyewitness" to life, you should do all of the following EXCEPT
a. seek out-of-the-ordinary experiences. b. increase your perceptual sets. c. engage in reality testing. d. pay attention to other people and your surroundings.
Of the two primary nutrients, the brain lives primarily on __________ and the rest of the
body lives on __________. a. glucose; glucose or fatty acids b. complex carbohydrates; unsaturated fats c. glycerol; glycogen d. complex carbohydrates; glucose or fatty acids e. glucose; complex carbohydrates
Widely abused illegal drugs such as cocaine, heroin, and amphetamines are attractive to users because
a. they stimulate the brain's "reward circuits." b. they helped our ancestors survive and reproduce. c. they suppress REM sleep. d. they slow down mental and physical activity. e. they produce hallucinations and delusions.