Fifty percent of all college students attend schools within 50 miles of their homes. In a sample of 500 college students, the probability that the sample proportion will be between 0.45 and 0.55 is:

a. 0.4875.
b. 0.9818.
c. 0.4909.
d. 0.9750.
e. 0.5000.


D

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Within an organization, each employee or a group of employees has both upstream suppliers and downstream customers that form:

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Answer the following statement true (T) or false (F)

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