PLEASE HELP WITH THESE VERY IMPORTANT QUESTIONS!! I APPRECIATE IT **************

Question

PLEASE HELP WITH THESE VERY IMPORTANT QUESTIONS!! I APPRECIATE IT

*****************************************************

*******************************************************

&6.3.27-T Translate the excerpt below into a confidence interval for p and approximate the value of the level of confidence, c. In a survey of 8458 adults, 33.9% said they were taking vitamin E as a supplement. The survey's margin of error is plus or minus 1%. The confidence interval for the proportion p is (0.329, 0.349). (Round to three decimal places as needed.) The interval is approximately a | % confidence interval.

Explanation / Answer

1) chi-square L = 7.961646 = 7.962

2)

0.01 = z * sqrt(pq/n)
0.01 = z * sqrt(0.339*(1-0.339)/8458)
z= 1.96
hence 95 %

3)

option B) is correct

0.027 is contained in confidence interval

Please don't forget to rate positively if you found this response helpful.
Feel free to comment on the answer if some part is not clear or you would like to be elaborated upon.
Thanks and have a good day!

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.