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OpenStudy (anonymous):
Given that the population mean is 100 and the standard deviation is 15, convert the following intervals in terms of the data into intervals in terms of standard scores. P(75 ≤ x ≤ 123) = P(___ ≤ z ≤___ )
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OpenStudy (aripotta):
this calculator will help http://www.danielsoper.com/statcalc3/calc.aspx?id=22
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