A 99% Confidence Interval for the Population Mean Yields the Following

question 12

Multiple Choice

A 99% confidence interval for the population mean yields the following results: [−3.79, 5.86]. At the 1% significance level, what decision should be made regarding the following hypothesis test with H₀: μ = 0, H_A: μ ≠ 0?

• A) Reject H₀; we can conclude that the mean differs from zero.
• B) Reject H₀; we cannot conclude that the mean differs from zero.
• C) Do not reject H₀; we can conclude that the mean differs from zero.
• D) Do not reject H₀; we cannot conclude that the mean differs from zero.

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