Given that the mean is 500 and the standard deviation is 100 on one section of the SAT, what is the approximate probability of selecting a student whose score is 300 or lower followed by selecting a student whose score is 700 or higher on the test?

a. .0005
b. .002
c. .022
d. .045

a

Psychology

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While someone is watching, Jennifer actually eats fewer sweets than usual. This tendency to decrease a behavior while being observed is an example of:

a.) reactivity. b.) observer bias. c.) observer drift. d.) poor reliability.

Psychology

Various methods of concentration, reflection, or focusing of thoughts that reduce activity of the sympathetic nervous system are ________

a. aerobic activities b. subliminal relaxation c. meditation d. sensory deprivation

Psychology