A third-year psychology student was able to obtain a measure of hypnotizability in a population of psychology undergraduates. The distribution was normal with a mean of 19 and standard deviation of 8.3. What is the approximate probability that a randomly chosen score from this distribution will be in the interval 10.7 to 27.3?
a. .34
b. .96
c. .32
d. .68
Ans: D
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