A normal distribution has a mean of µ = 70 with ? = 12 . If one score is randomly selected from this distribution, what is the probability that the score will be greater than X = 55?
a. 0.3944 c. 0.8944
b. 0.1056 d. 0.7888
C
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In his initial experiments, Pavlov trained dogs to salivate when he sounded a tone or a bell. Pavlov termed these trained salivary responses__________
A) conditional stimuli B) unconditioned reflexes C) unconditioned stimuli D) conditional reflexes E) Select
Dexedrine and Benzedrine are examples of stimulants known as ________ or speed.
Fill in the blank(s) with the appropriate word(s).
Amy is three years old and has 20/40 vision. What does this mean?
A) Amy's visual acuity is average for a three-year-old. B) In order for Amy to see an object, she has to be 20 feet away from it, whereas most people can see the object from 40 feet away. C) Amy is considered legally blind. D) In order for Amy to see an object, she has to be 40 feet away from it, whereas most people can see the object from 20 feet away.
The heritability factor in most studies of schizophrenia is:
a. 70–100% b. 60–90% c. 40–70% d. impossible to calculate