In a survey of 3945 aduts, 706 say they have seen a ghost. Construct a 99% confi
ID: 3367638 • Letter: I
Question
In a survey of 3945 aduts, 706 say they have seen a ghost. Construct a 99% confidence rterval for the population proportion. Interpret the results. A 99% confidence nterval for the population proponon is CD Round to three decimal places as needed.) Interpret your resuks. Choose the conect answer below O A with 9g% probabity. the population proportion of adults who say they have not seen a ghost between the endponts o, the gven con idence ntenaL B. The endponts of the gven confidence nterval show that 99% of adults have seen a ghost. confidence, t can be said that the sample proportion of adults who say they have seen a ghost is between the endpoints of the gven confidence interval confidence, it can be said that the population proportion of aduts who say they have seen a ghost is between the endpoints of the given confidence interval Clck to select your answer(s) upExplanation / Answer
Ans:
Sample proportion=706/3945=0.179
99% confidence interval for true proportion
=0.179+/-2.58*SQRT(0.179*(1-0.179)/3945)
=0.179+/-0.016
=(0.163, 0.195)
Option D is correct.
Related Questions
Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.