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What is z value for 90 percent confidence interval estimation?
The answer will depend on whether the interval in one or two sided. One-sided: Z < 1.28 or Z > -1.28 Two-sided: -1.64 < Z < 1.64
Why you use always 95 percent confidence interval?
You don't. There are times when you use 99% or 99.5%, and others where you will settle for 90%. The percentage chosen will depend on the implications of making the wrong decision.
Twenty five percent of nintey?
90 is 100 percent. 90/100 = 0.9 is 1 percent. This value times 25 gives you 25 percent. Solution: 22.5
What does CL mean in mathematical terms?
It may stand for the number 150 (Roman numbers). In statistics, CL usually refers to "Confidence Level," which establishes a likelihood (typically 90 or 95%) an estimated value will fall within a given Confidence Interval (a range of estimated values). For example... [I'll get more done on this later]
What is the value of a 90 percent silver half dollar coin?
With silver over $30.00 per ounce the intrinsic value is about $11.00.
