Problem 2- Part b We would like to develop a 90% confidence interval for the true proportion of people who liked the chocolate bar. Check the conditions before calculating this interval. Edit View Insert Format Tools Table 12pt v Paragraph A new brand of chocolate bar is being market tested. 480 of the new chocolate bars were given to consumers to try. The consumers were asked whether they liked or disliked the chocolate bar. You are given their responses below. Frequency Table Responses Frequency Liked 330 Disliked 150 28 1 48 words Question 17 Problem 2- Part c We would like to develop a 90% confidence interval for the true proportion of people who liked the chocolate bar. What is the margin of error for this confidence interval? (round to 4 decimal places as needed. Enter a positive value only) Question 18 Problem 2- Part d For the above confidence interval: The lower value is: [ Select ] The upper value is: [ Select ]