Consider a Normally Distributed Population

question 127

Multiple Choice

Consider a normally distributed population.The width of a confidence interval for the population mean will be

• A)smaller for a 98% confidence than for 90% confidence.
• B)larger for a sample size of 64 than for a sample size of 36.
• C)larger for a 99% confidence than for 95% confidence.
• D)smaller for sample size of 25 than for a sample size of 36.
• E)larger for a standard deviation of 25 units than for a standard deviation of 50 units.

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Definitions:

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