The area under a normal curve between a z-score of -2 and a z-score of +2 is
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The area under a normal curve between a z-score of -2 and a z-score of +2 is ________.
a. 0.68
b. 0.95
c. 0.997
d. Dependent on the mean and standard deviation
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I completed my graduation in 2018 in the field of commerce. I have taken personal tuitions for economics and mathematics for 12th grade students. I have some experience in tutoring financial accounting for the final year degree students.
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