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If the Population Deviation Is Known and We Wish

Question 30

Multiple Choice

If the population deviation If the population deviation is known and we wish to estimate the population mean with 95% confidence, what is the appropriate critical value z to use? A) 1.28 B) 1.645 C) 1.96 D) 2.33 E) 2.58 is known and we wish to estimate the population mean If the population deviation is known and we wish to estimate the population mean with 95% confidence, what is the appropriate critical value z to use? A) 1.28 B) 1.645 C) 1.96 D) 2.33 E) 2.58 with 95% confidence, what is the appropriate critical value z to use?


A) 1.28
B) 1.645
C) 1.96
D) 2.33
E) 2.58

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