z=\frac{\left(x-\mu\right)}{\frac{\sigma}{\sqrt{n}}}
Z: critical value
\sigma\colon : population standard deviation.
n: sample size
\mu\colon population mean
Frequently asked questions (FAQs)
What is the area of a triangle with a base of 10 units and a height of 8 units?
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What is the length of the unknown side in a triangle if angle A is 30°, angle B is 50°, and side a is 10 units?
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What is the length of the hypotenuse of a right triangle with legs measuring 4 units and 7 units?