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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
In this problem you will be asked to examine two equations. Several symbols from each equation will be identified. Your task will be to decide which symbols represent real numbers and which symbols represent functions. If a symbol represents a function, then you should state the domain and the range of that function. Recall: A function is a rule of assignment. The set of labels that the function might possibly assign is called the range of the function; the set of objects to which labels are assigned is called the domain. For example, when I grade your test, I assign a numeric value to your name. Grading is a function that assigns real numbers (the range) to students (the domain).
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(a) In the equation p = P (Z > 1.96), please identify each of the following symbols as a real number or a function:
i. p
ii. P
iii. Z
(b) In the equation σ2 = E (X − µ)2, please identify each of the following symbols as a real number or a function:
i. σ
ii. E
iii. X
iv. µ
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