The approximate 95% confidence interval for a population mean is:
A)
$x \pm \sigma / \sqrt { n }$
B)
$x \pm s / \sqrt { n }$
C)
$$X \pm 2 \sigma / \sqrt { n }$$
D)
$x \pm 2 s l \sqrt { n }$

Question

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The Answer of The approximate 95% confidence interval for a population mean is:
A)
$x \pm \sigma / \sqrt { n }$
B)
$x \pm s / \sqrt { n }$
C)
$$X \pm 2 \sigma / \sqrt { n }$$
D)
$x \pm 2 s l \sqrt { n }$

The Approximate 95% Confidence Interval for a Population Mean Is x±σ/nx \pm \sigma / \sqrt { n }x±σ/n​

The Approximate 95% Confidence Interval for a Population Mean Is $x \pm \sigma / \sqrt { n }$