Engag... Photos Submit Test This Question: 1 pt 80121 (17complete) : This Test:

Question

Engag... Photos Submit Test This Question: 1 pt 80121 (17complete) : This Test: 21 pts possible Cano Annou Use the sample data and confidence level given below to complete parts (a) through (), Assig Study Grade StatCn (Round to three decimal places as needed.) eText b) ldentify the value of the margin of error E A research institute poll asked respondents if they felt vulnerable to identity theft in the poll n. 106, and x-571 who said ye.. Use-99%oo fde cea ceromony aick the icon to view a table of z scores. ty a) Find the best point estimate of the population proportion p. PNG 2017 PM Screen Shot 2017-0. 2.18 PM (Round to four decimal places as needed.) Tools f c) Construct the confidence interval Multim ep s (Round to three decimal places as needed.) Course Click to select your answerís) Discu Show All ois data. 12.2.2017-11,3. , .xisx t data-12,2,2017-11,3 3

Explanation / Answer

a) p = 1063/571

0.537

b) Margin of error = Critical value* Standard deviation

At 99% criticcal value is 2.575

Margin of error = 2.58* 0.0153 =  0.039

c) Confidence interval

Upper confidence interval = 0.537 + 0.039 = 0.576

lower confidence interval = 0.537 - 0.039 = 0.498

d) Ans: A

Standard Deviation (SD) = sqrt(P*(1-P)/n) = 0.0153

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