A normal distribution has a mean of µ = 40 with ? = 10. What proportion of the scores in this distribution are greater than X = 55?
A) ?0.3085
B) ?0.6915
C) ?0.0668
D) ?0.9332
C
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Which of the following kinds of data provides the weakest scientific evidence for a genetic influence on personality?
A. Twin-study data B. Similarity between personalities of parents and children raised by their parents C. Adoption studies data D. Comparing personalities of twins separated at birth
Emotions can be distinguished based on their _____, which is how positive or negative the experience is, and their _____, which is how active or passive the experience is.
A) valence; arousal B) arousal; activity C) motivation; drive D) arousal; motivation
Aldosterone signals the kidneys to
A. retain sodium. B. excrete sodium. C. increase urine production. D. decrease urine production.
Running down the center of the spinal cord is the
A. subarachnoid space. B. fourth ventricle. C. central canal. D. spinal ventricle.