In a survey of 3920 adults, 729 say they have seen a ghost. Construct a 99% conf

Question

In a survey of 3920 adults, 729 say they have seen a ghost. Construct a 99% confidence interval for the population proportion Interpret the results. A. 99% confidence interval for the population is (). Interpret your results. Choose the correct answer below. A. With 99% probability, the population proportion of adults who say they have not seen a ghost is between the endpoints of the given confidence interval. B. With 99% confidence, it can be said that the sample proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval. C. The endpoints of the given confidence interval show that 99% of adults have seen a ghost. D. With 99% confidence, it can be said that the population proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval.

Explanation / Answer

Using Minitab,

Test and CI for One Proportion

Sample X N Sample p 99% CI
1 729 3920 0.185969 (0.170225, 0.202484)

We are 99% sure that the interval (0.170225, 0.202484) contains true population proportion.

D.With 99% confidence, it can be said that the population proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval.

Hope it will help you! Thanks, GOOD LUCK :)

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