Take a Test-walter ayala X File Edit View Favorites Tools Help Math 25 (Spring 2

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Take a Test-walter ayala X File Edit View Favorites Tools Help Math 25 (Spring 2018) Test: Test 2 (Ch. 4-6) This Question: 1 pt 13 of 14 (0 complete) In a survey of 3932 adults, 715 say they have seen a ghost Construct a 99% confidence interval for the population proport on Interpret the results A 99% confidence interval for the population proportion is OD (Round to three decimal places as needed) Interpret your results. Choose the correct answer below O A O B O c With 99% probability, the population proportion of adults who say they have not seen a ghost is between the end onts of the g en confdence i tonal With 99% confidence it can be said that the sample propo tion of adults who say they have seen a ghost is between the end orts ef the en cont entena With 99% confidence it can be said that the population proportion of adults who say they have seen a ghost is between the endponts of the ven con dere nea D. The endpoints of the given confidence interval show that 99% of adults have seen a ghost Click to select your answertS)

Explanation / Answer

n = 3932

x = 715

We have to construct 99% confidence interval for the population proportion.

By using Ti-84 we can solve this quesiton easily.

Path is Click on STAT ---------> TESTS ---------> 1-PropZInt ----------> Enter values ------->

x: 715

n: 3932

C-Level: 0.99

Calculate

We get confidence interval ( 0166 , 0.198)

Interpretation: Correct option is C.

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