Hypothesis Test- One Proportion Sample Size 213 Successes Proportion 0.25822 Nul

Question

Hypothesis Test- One Proportion Sample Size 213 Successes Proportion 0.25822 Null Hypothesis: P 0.3 Alternative Hyp: P 0.3 Difference Standard Error 0.02999 Z (uncorrected) 1.33 P 0.1833 -0.04178 Method 95% Confidence Interval Simple Asymptotic (0.19944, 0.31699) You are asked if the proportion of all USF students with a tattoo is 20%. How would you respond? Claim that the proportion might be 20% when using a 95% confidence level. Claim that you are 95% confident that the proportion is less than 20%. Claim that the proportion equals 20% when using a 95% confidence level. Claim that you are 95% confident that the proportion exceeds 20%

Explanation / Answer

Since 20% in included in the interval, we need to claim that the proportion might be 20% when using a 95% confidence interval.

Option A is correct.

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