Pick any positive values for the mean and the standard deviation of a normal distribution. Use your
Question:
Pick any positive values for the mean and the standard deviation of a normal distribution. Use your selection of a normal distribution to answer the questions below. The results of parts (a) to (c) form what is often called the Empirical Rule for the standard deviation in a normal distribution.
(a) Verify that about 95% of the values fall within two standard deviations of the mean.
(b) What proportion of values fall within one standard deviation of the mean?
(c) What proportion of values fall within three standard deviations of the mean?
(d) Will the answers to (b) and (c) be the same for any normal distribution? Explain why or why not.
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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Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock