Multiple choices 7/50
Answer (Choose 1 answer)
B. None of the other choices is correct
(See picture)
A. 95%
C. 96%
D. 90%
Ε. 99%
Next
For a normal population with known variance o², find the confidence level corresponding to the confidence interval [imath]\bar{x}-1.96 \sigma / \sqrt{n} \leq \mu \leq \bar{x}+1.96 \sigma / \sqrt{n}[/imath]
Let [imath]z_{0.025}=1,96[/imath]
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