Suppose that the distribution of scores on an exam is closely described by a normal curve with
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a. What is the 84th percentile?
b. What is the approximate value of the standard deviation of exam scores?
c. What z score is associated with an exam score of 90?
d. What percentile corresponds to an exam score of 140?
e. Do you think there were many scores below 40? Explain. Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For
Statistics The Exploration & Analysis Of Data
ISBN: 9780840058010
7th Edition
Authors: Roxy Peck, Jay L. Devore
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