Faculty in the Psychology Department at State University consume an average of 5 cups of coffee per day with a standard deviation of 1.5 . The distribution is normal. What proportion of faculty consumes an amount between 4 and 6 cups?

Weight control, aggression, impulsivity, and psychological depression have all been associated with

A. serotonin pathways. B. endorphins. C. GABA receptors. D. the parasympathetic branch.

If a pair of alleles contains two recessive genes, then the pair is __________

a. dominant b. recessive c. heterozygous d. homozygous