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Elmen96 Elmen96
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8 years ago
For the formula for calculating the confidence level with known standard deviation, the value ________ represents the value of a standard normal random variable with a cumulative probability of 1 - α / 2.
A) xi - overbar(x)
B) za/2
C) overbar(x)
D) σ / sqrt(n)
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Business Analytics

Business Analytics


Edition: 2nd
Author:
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kelbakelba
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Elmen96 Author
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#2
8 years ago
Correct *once again*
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#3
8 years ago
Heavy Heart
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