It was desired to estimate the proportion of all USF students that have a tattoo

Question

It was desired to estimate the proportion of all USF students that have a tattoo. A random sample yielded the printout shown below. Use it to answer the following questions. Hypothesis Test-One Proportion Sample Size 213 Successes Proportion 0.25822 Null Hypothesis: P -0.3 Alternative Hyp: P 0.3 Difference Standard Error Z (uncorrected) 0.04178 0.02999 1.33 P P 0.1833 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? F5 3 4

Explanation / Answer

Since 0.2 lies between 95% confidence interval for p, at 95% level of confidence, we can conclude that :

ans-> Claim that the proportion might be 20% when using a 95% confidence level.

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